It was not until everybody was present the party started.A. thatB. whatC. whenD. Where

问题补充：

It was not until everybody was present the party started.

A. that

B. what

C. when

D. Where

答案：

(答案→)A. that

B. what

C. when

D. Where

解析：固定句式强调句的考查。选A 。Not until 位于句首时，引起倒装句：Not until everybody was present did the party start.