Question

Danny _______ hard for long to realize his dream and now he is popular.

A.works                       B.is working                 C.has worked                D.worked

Answer 1

C

解析:

根据时间状语for long和所提供的情景now he is popular可判断出要用现在完成时，表示从过去某一时刻开始一直持续到现在的动作或状态。故选C项。