哪位大牛来帮帮忙~~感激不尽啦

yexianda

From 1980 to 1989, total consumption of fish in the country of Jurania increased by 4.5 percent, and total consumption of poultry products there increased by 9.0 percent.  During the same period, the population of Jurania increased by 6 percent, in part due to immigration to Jurania from other countries in the region.

If the statements above are true, which of the following must also be true on the basis of them?

A.    During the 1980’s in Jurania, profits of wholesale distributors of poultry products increased at a greater rate than did profits of wholesale distributors of fish.
B.    For people who immigrated to Jurania during the 1980’s, fish was less likely to be a major part of their diet than was poultry.
C.    In 1989 Juranians consumed twice as much poultry as fish.
D.    For a significant proportion of Jurania’s population, both fish and poultry products were a regular part of their diet during the 1980’s.
E.    er capita consumption of fish in Jurania was lower in 1989 than in 1980.
答案是E  这个答案我不太懂 本人选的是D

Whereas lines of competition are clearly defined in the more established industries, in the Internet industry they are blurred and indistinct, as companies that compete one day may be partners the next.

A.    Whereas lines of competition are clearly defined in the more established industries, in the Internet industry they are blurred and indistinct, as companies that compete
B.    Although the lines of competition are clearly defined in industries that are more established, they are blurred and indistinct in the Internet industry, as competing companies
C.    The lines of competition are clearly defined in the more established industries, unlike the Internet where they are blurred and indistinct, as companies that compete
D.    Unlike more established industries, where the lines of competition are clearly defined, they are burred and indistinct in the Internet industry, as companies that compete
E.    Unlike more established industries, with clearly defined lines of competition, those of the Internet industry are blurred and indistinct, as competing companies
 Answer: B
A为什么不对呢?是否in the internet industry有修饰前后句的歧义
Construction of the Roman Colosseum, which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign of Vespasian, was completed a decade later, during the reign of Titus, who opened the Colosseum with a one-hundred-day cycle of religious pageants, gladiatorial games, and spectacles.

A.    which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign of Vespasian,
B.    officially known as the Flavian Amphitheater, begun in A.D. 69, during the reign of Vespasian, and
C.    which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign of Vespasian, and
D.    officially known as the Flavian Amphitheater and begun in A.D. 69, during the reign of Vespasian it
E.    officially known as the Flavian Amphitheater, which was begun in A.D. 69, during the reign of Vespasian, and
 Answer:  C
请问A选项中没有and与C选项有什么区别

Medicare, the United States government’s health insurance program for the elderly and disabled, covers the full cost of home health care, but not with other nonhospital services where 20 percent of the costs must be paid by beneficiaries.

A.    but not with other nonhospital services where 20 percent of the costs must be paid by beneficiaries
B.    but not of other nonhospital services, making beneficiaries pay 20 percent of the costs
C.    but not of other nonhospital services, for which beneficiaries must pay 20 percent of the costs
D.    which is unlike other nonhospital services in that 20 percent of the costs must be paid by beneficiaries
E.    which is unlike other nonhospital services that make beneficiaries pay 20 percent of the costs
 Answer: C
请问B选项前面加谓语是不是就正确了?