--- Hey, Mr. Smith, you are wanted on phone.
--- Who is calling?
--- Mr. Green. I don’t know who he is.
A. 不填; A
B. the; 不填
C. the; A
D. 不填；不填
网友回答
A. 不填; A
B. the; 不填
(答案→)C. the; A
D. 不填；不填
解析：You are wanted on the phone.为习惯用语，意为“有你的电话”。A Mr. Green一个名叫格林的先生。