i really don't know_____________.后面选什么?

i really don't know_____________.后面选什么?
i really don't know_____________.
A.where he was born
B.where he is born
C.where was he born
D.where is he born
选什么?为什么.
英语人气:360 ℃时间:2020-01-27 14:40:33
优质解答
A
know后接宾语从句,宾从用陈述句语序,又由于"出生"一定是过去的事,主句用了一般现在时,从句用过去时
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