—Excuse me where is Mr Brown’s office?—Sorry I don’t know. I here for only a few days.A

问题补充：

—Excuse me, where is Mr Brown’s office?

—Sorry, I don’t know. I here for only a few days.

A. work

B. worked

C. have worked

D. will work

答案：

A. work

B. worked

(答案→)C. have worked

D. will work

解析： 表示过去到现在这几天一直在这儿工作，还可能继续在这个地方工作，用现在完成时，结构为have+过去分词，故本题选C。