A、  B、  C、  C本句为询问技术员今天下午为什么来的Why疑问句。

What time do you start work?
(A) For the accounting department.
(B) At the State Center office building.
(C) At 8:30 in the morning.

Why is the technician coming this afternoon?
(A) In our research laboratory.
(B) At about 3:30 P.M.
(C) He’s installing a computer program.