He asked me, “Did you see my sister last night?”
----He asked me
A. if I had seen his sister the night before.
B. whether I had seen your sister the night before.
C. did I have seen his sister the night before.
D. that I saw his sister the night before.
网友回答
(答案→)A. if I had seen his sister the night before.
B. whether I had seen your sister the night before.
C. did I have seen his sister the night before.
D. that I saw his sister the night before.
解析：考查直接引语变间接引语。直接引语Did you see my sister last night是一般疑问句，变成间接引语是从句要用if/whether引导，且从句的人称要随之改变。所以选A。