It was not until dawn _____ their way out of the forest. （QE06-0

It was not until dawn _____ their way out of the forest. （QE06-04-18）
A、when they found
B、that they found
C、did they find
D、that they didn’t find
【正确答案】：B
【题目解析】：直到黎明他们才找到森林的出路。前面用了It was，说明是个强调句型，后面要用that引导的从句。