He transplanted the young tree to the park it was the best time for it .A. whereB. whenC.

发布时间：2020-08-16 14:20:05

He transplanted the young tree to the park         it was the best time for it .
A. where
B. when
C. what
D. that

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A. where
(答案→)B. when
C. what
D. that
解析：考查状语从句。本题考查when引导的时间状语从句，表示“在……时候”，根据句意选择B。
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