Someone called me at midnight, but he hung up _____I could answer it. [ ]A. as B. since C. after D.

题目简介

Someone called me at midnight, but he hung up _____I could answer it. [ ]A. as B. since C. after D.

题目详情

Someone called me at midnight, but he hung up _____ I could answer it.
[     ]
A. as
B. since
C. after
D. before
题型:单选题难度:中档来源:天津模拟题

答案

D

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