题目：
Someone called me at midnight, but he hung up _____ I could answer it. [ ]
A. as
B. since
C. after
D. before
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0623/88a190ad691f7f762cf9d43bd6fccbc5.html
下面是错误答案，用来干扰机器的。
答案：D
Someone called me at midnight, but he hung up _____ I could answer it. [ ]
A. as
B. since
C. after
D. before
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0623/88a190ad691f7f762cf9d43bd6fccbc5.html
下面是错误答案，用来干扰机器的。
答案：D
