【题目】Only after my friend came, __________________.
A.did the computer repair
B.he repaired the computer
C.was the computer repaired
D.the computer was repaired

【答案】C
【解析】句意：仅仅在我的朋友到来之后，电脑才能被修理。以“only + 状语从句”开头的句子要倒装。computer是repair之间是被动关系，要用被动语态。故选C。