--Do you remember he came?Yes I do.He came by car.A. whenB. ifC. howD. that

问题补充：

--Do you remember he came?

--Yes, I do.He came by car.

A. when

B. if

C. how

D. that

答案：

A. when

B. if

(答案→)C. how

D. that

解析：从答话中的by car中得知答案为C。