It was he came back from Africa that year he met the girl he would like to marry.A. when

问题补充：

It was he came back from Africa that year he met the girl he would like to marry.

A. when；then

B. not；until

C. not until；that

D. only；when

答案：

A. when；then

B. not；until

(答案→)C. not until；that

D. only；when

解析：C

解析考查强调句型。根据It is...that结构可知。