Helen’s knowledge and vocabulary expanded, she asked more and more questions. A. WhenB. W

发布时间：2020-08-17 02:13:45

     Helen’s knowledge and vocabulary expanded, she asked more and more questions.
A. When
B. While
C. As
D. Before

网友回答

A. When
B. While
(答案→)C. As
D. Before
解析：连词辨析。A当…时；B然而，尽管；C随着；D在…之前；句意：随着Helen的知识和词汇的增加，她询问了越来越多的问题。故C正确。
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