sat
问题描述：
sat
Quincy took Dan to Derek's home (A .for a visit),(B.never imagining) that five years( C.would pass )before(D.seeing )Derek again.(E.No error.)
答
选D
因为后面那个that后的从句：five years would pass before seeing Derek again.
这里seeing的主语变成了five years,而并非Quincy,所以错了.