Itwasnotuntileverybodywaspresent

问题详情：

It was not until everybody was present __________the party started.

A. that                  B. what                  C. when               D. where

【回答】

 A

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

知识点：强调句

题型：选择题