问题补充：
It was after he got what he had desired he realized it was not so important.
A. that
B. when
C. since
D. as
答案：
(答案→)A. that
B. when
C. since
D. as
解析：句意：在他得到了梦寐以求的东西后，他才意识到这个东西并不重要。本题考查强调句型，可以还原为He did not realized it was so important after he got what he had desired.
