一 ? 一I’m twelve A. How are you B. How do you do C. How old are you D. Are you twelve

问题补充：

一? 一I’m twelve．

A. How are you

B. How do you do

C. How old are you

D. Are you twelve

答案：

A. How are you

B. How do you do

(答案→)C. How old are you

D. Are you twelve

解析：无