It was some time laterI realized he had lied to me.A. whenB. thatC. sinceD. before

问题补充：

It was some time laterI realized he had lied to me.

A. when

B. that

C. since

D. before

答案：

A. when

(答案→)B. that

C. since

D. before

解析：句意：就在一段时间之后，我意识到他骗我了。句中为强调句型，it was…that，句中强调是some time later，故选B