GWD26-Q20 纠结的A项求解释

winow

GWD26-Q20
In 1981 children in the United States spent an average of slightly less than two and a half hours a week doing household chores; by 1997 they had spent nearly six hours a week.

A.chores; by 1997 they had spent nearly six hours a week
B.chores; by 1997 that figure had grown to nearly six hours a week
C.chores, whereas nearly six hours a week were spent in 1997
D.chores, compared with a figure of nearly six hours a week in 1997  
E.chores, that figure growing to nearly six hours a week in 1997

答案是B
问A

winow

????????????????????

yexuu

A时态不对，应该用过去时，figure grow是一个连续的过程，所以可以用完成时，但spend不是连续性，如果用完成时就变成他们已经花了。。。明显不对，另外这个they指代也有问题

winow

谢谢同学的细心教导

longyan009

A中they 的指代哪里有问题呢？

alannesta

they可以就近指代chores

GMAT中代词原则上就近指代  如果指代刚好正确 那么久绝对没问题

就近指代  但是指代错误（不是他需要指代的东西，如这题应该是students）那很有可能被判有问题

有些例外的情况GMAT认为可以“穿越”指代  所以代词这个不好做绝对的判断标准

妞wq090709

c呢