-of them is your English teacher?--The man wearing a blue coat.A. WhichB. WhoC. Wha

问题补充：

---- of them is your English teacher? ----The man wearing a blue coat.

A. Which

B. Who

C. What

D. Whom

答案：

(答案→)A. Which

B. Who

C. What

D. Whom

解析：从答语“那位穿外套的人”可知提问的是“众多人中的哪一位”。