问题
选择题
They stayed with me for three weeks ,______ they drank all the wine I had.
A．which
B．which time
C．during which time
D．during that time
答案
答案：C
题目分析：考查定语从句：句意：他们和我一起呆了三个星期，在那期间，他们喝了我所有的酒。先行词是three weeks，定语从句中缺少时间状语，用介词+关系代词引导定语从句，选C。