问题
选择题
She has never done anything for them, they have done everything for her.
A．when
B．as
C．whereas
D．because
答案
答案：C
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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She has never done anything for them, they have done everything for her.
A．when
B．as
C．whereas
D．because
答案：C
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。