He asked his father_______A.where it happens B.where did it happen C.how did it happen D.how it happened有三个表示过去时态的,应该选哪个,为什么,

He asked his father_______A.where it happens B.where did it happen C.how did it happen D.how it happened有三个表示过去时态的,应该选哪个,为什么,
He asked his father_______
A.where it happens
B.where did it happen
C.how did it happen
D.how it happened
有三个表示过去时态的,应该选哪个,为什么,

He asked his father_______A.where it happens B.where did it happen C.how did it happen D.how it happened有三个表示过去时态的,应该选哪个,为什么,
这个句子是一个宾语从句,后面必须用陈述句的语序.
所以只有D选项符合.

D