—How was that?
—I was chatting on line the power went out.
A. because
B. while
C. as
D. when
网友回答
A. because
B. while
C. as
(答案→)D. when
解析:考查连词:A. because因为,B. while当…时候,虽然,然而,C. as随着,因为,正如,D. when当…时候,句意:怎么了?--我正在聊天这时停电了。When引导时间状语,表示时间点,这里翻译成“这时”,while引导时间状语从句,表示“一段时间”,as引导时间状语从句,表示“两个动作同时发生”,选D。