your brother work ?In a bank.A. Where doB. What doC. Where doesD. What does

问题补充：

your brother work ? --In a bank.

A. Where do

B. What do

C. Where does

D. What does

答案：

A. Where do

B. What do

(答案→)C. Where does

D. What does

解析：根据答语可推断答案在AC之间，根据主语为三单形式，故选C