Someone called me up in the middle of the night, but they hang up I could answer the phone.
A. since
B. after
C. until
D. before
网友回答
A. since
B. after
C. until
(答案→)D. before
解析：考查时间状语从句。有人半夜把我叫醒，但是，我还没来得及接听，他们就挂断了电话。故选D。A自从；B在......之后；C直到；D在......之前，没来得及......，常与情态动词连用。故选D。