Question

【题目】She has been a doctor ________ she graduated from this medical school．

A. even though B. ever since C. unless D. as if

Answer 1

【答案】B

【解析】

句意：自从她从这所医学院毕业以来，她一直是个医生。A. even though即使；B. ever since自从；C. unless除非；D. as if好像，仿佛。ever since+一般过去时态的句子，表示的是到目前为止的时间段，主句用现在完成时，故答案为B。