while引导的从句(选择题)

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while引导的从句(选择题)
The singer is singing happily ( ) guitar crazily.
A.while playing the B.while he played the
C.while playing D.while he played
选B怎么不行了,从句啊

前后时态要保持一致,
补充完整：while he is playing the guitar crazily.
意思：边弹吉他边唱歌

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