It was after he got what he had wanted very much he realized it was not important.A. when

问题补充：

It was after he got what he had wanted very much he realized it was not important.

A. when

B. that

C. since

D. as

答案：

A. when

(答案→)B. that

C. since

D. as

解析：可联系答.案.网客服索取。