题目信息
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
参考答案及共享解析

共享解析来源为网络权威资源、GMAT高分考生等; 如有疑问,欢迎在评论区提问与讨论
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已选答案:
正确答案:
B:chores; by 1997 that figure had grown to nearly six hours a week
是语法指代的问题.不能出现歧义.分号前后都是一个独立的句子.当然句子之间也是有一定的联系的
A,they 指代有问题, 如果指代children的话会令句子出现逻辑错误: 1997年还是1981年那帮孩子
B.x09前面有且仅有一个figure,且明确定义了,所以用"that figure"意思就是如前所述定义的figure.
C 无逻辑或语法上的错误, 但相比选项B, 被动表达不如主动, 并改变句子重心
D compared with没有与a figure对应的逻辑主语
E growing无法表达出完成的状态


题目来源
GWD