Someone called me up in the middle of the night, but he hung up ______ I could answer the phone.A.if

题目简介

Someone called me up in the middle of the night, but he hung up ______ I could answer the phone.A.if

题目详情

Someone called me up in the middle of the night, but he hung up ______ I could answer the phone.
A.if B.since C.until D.before
题型:单选题难度:中档来源:不详

答案

D
此题考查介词,根据语境可知选择D表示在我接通电话之前.

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