Question

She ________ a model before she _______ a superstar.

A. have been, became       B. had been, become

C. had been became        D . has been, become

 

Answer 1

【答案】

C

【解析】

试题分析：句意：她在成为一个超级巨星前是一个模特儿。根据句意从句用一般过去时态，主句用过去完成时。所以选C。

考点:考查动词时态。