难题 请教

棒棒dudu

Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture to 1950.

(A) Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture
(B) Since 1990 the growth of the global economy has been more than that during 10,000 years, from when agriculture began
(C) The growth of the global economy since 1990 exceeds that which had been for 10,000 years from the beginning of agriculture
(D) The growth of the global economy since 1990 exceeds what it has been for 10,000 years, from when agriculture began
(E) The growth of the global economy since 1990 exceeds what it did for the 10,000 years from the beginning of agriculture

此题我在A和E中犹豫 请各位朋友帮我分析 解释一下 谢谢
答案是A 是不是因为 since 要用现在完成时 而且 it 指代的是economy 但是在E中 It 指代的是growth

棒棒dudu

UP

canols

E中did没指代

Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture to 1950.

(A) Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture
(B) Since 1990 the growth of the global economy has been more than that during 10,000 years, from when agriculture began
(C) The growth of the global economy since 1990 exceeds that which had been for 10,000 years from the beginning of agriculture
(D) The growth of the global economy since 1990 exceeds what it has been for 10,000 years, from when agriculture began
(E) The growth of the global economy since 1990 exceeds what it did for the 10,000 years from the beginning of agriculture

此题我在A和E中犹豫 请各位朋友帮我分析 解释一下 谢谢
答案是A 是不是因为 since 要用现在完成时 而且 it 指代的是economy 但是在E中 It 指代的是growth

-- by 会员 棒棒dudu (2010/5/29 23:37:48)

merrlinlynch

thanks

OmniKnight

Who have natural predators ? New Jersey or Deer population?
Obviously deer population.

But I have another Question about C.
C. With no natural predators and with expenses of green suburban neighborhoods where there is no hunting, the deer population in New Jersey, wildlife officials estimate, has

Distribute the subject of modifier.
the deer population With no natural predators ...FINE
the deer population with expenses of green suburban neighborhoods where there is no hunting ...?? This sounds strange ..Can anyone explain??

Sooning

it指代完全相同的事物
在DE中由于时间不同it不能进行指代排除
C中thatwhich非常奇怪
B中the growth of the global economy是从属关系. We only want to use "that of" or "those of" if we are comparing something.

Vicky0722

Ron的解释： you can't use 'that' in this sort of construction, because constructions using 'that of' (or other preposition after 'that') must have EXACTLY parallel structures. in other words, if the second half says 'that during 10,000 years', then the preceding half must say 'the growth of ___ during something else' (or some other time preposition, such as before or after, in place of during).