Question

---_______ is your uncle?   --- He is a driver.

A．Who

B．How

C．What

D．Where

Answer 1

C

疑问词辨析。Who谁；How怎么样；What什么；Where在哪儿。根据答语，他是一个司机，可知询问的是职业，故用what来提问。选C。