Question

【题目】Minister Bill De Blasio in office fewer than 48 hours when he came face to face with his biggest challenge in his life.

A. has been B. had been C. would be D. is

Answer 1

【答案】B

【解析】考查时态。句意：比尔·白思豪部长上任不到48小时就得面对人生中最大的挑战。根据“当他面对挑战时”，发生在过去，而“他上任”发生在过去的过去，故用过去完成时，所以选B项。