Question

It was not until she had arrived home ________ remembered ________ the key in he

It was not until she had arrived home ________ remembered ________ the key in her office．
A. when she; to leave
B. and she; leaving
C. that she; leaving
D. she; to leave

Answer 1

答案C
从句型来看，第一空处填that，构成not until的强调句；remember doing sth。表示“记得做过某事”。