The girl ______ is reading under the tree _____my sister.

A. which； is B. whom； was

C. who； is D. who； was

C

【解析】

試題分析：考查定語(yǔ)從句辨析。考查定語(yǔ)從句的引導(dǎo)詞，因其先行詞是the girl在從句中做主語(yǔ)，故用引導(dǎo)詞who。主句謂語(yǔ)的時(shí)態(tài)從前面的定語(yǔ)從句可以判斷這里應(yīng)該用一般現(xiàn)在時(shí)。句意：坐在樹(shù)下讀書(shū)的女孩是我的姐姐。故選C。

考點(diǎn)：考查定語(yǔ)從句辨析。

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