She has never done anything for them,they have done everything for her.A. whenB. asC. wher

发布时间：2020-08-15 01:47:50

She has never done anything for them,    they have done everything for her.
A. when
B. as
C. whereas
D. because

网友回答

A. when
B. as
(答案→)C. whereas
D. because
解析：whereas是并列连词，意思是“而”，表示对比关系；其他选项均为从属连词。
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