his ?- It’s 208-3791.A. What’s phone numberB. What numberC. What’s NumberD. What

问题补充：

--- his ?

--- It’s 208-3791.

A. What’s, phone number

B. What, number

C. What’s, Number

D. What, telephone number

答案：

(答案→)A. What’s, phone number

B. What, number

C. What’s, Number

D. What, telephone number

解析：本题回答语表示的是电话号码，对此提问用what’s，电话号码说成phone number或telephone number，故本题选A。