Mothers can be seen leaving supermarkets with trolleys piled high with "junk food". Their
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Mothers can be seen leaving supermarkets with trolleys piled high with "junk food". Their families are eating far more calories than______good for them.
A.is
B.are
C.that is
D.those are
请帮忙给出正确答案和分析,谢谢!
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正确答案:B
than是关系代词,代替第二个比较句的主语calories,所以谓语应为复数are。也可以把than看成连词,后一个句子主语省略了。D中those替代calories,但缺少起连接作用的which或that。is和thatis在数量上不对。
