— Who is best basketball player in your class? — I don’t know. I’m new here. A. a; anB.

问题补充：

— Who is best basketball player in your class?

— I don’t know. I’m new here.

A. a; an

B. an; the

C. the; /

D. /; a

答案：

A. a; an

B. an; the

(答案→)C. the; /

D. /; a

解析：句意：—谁是你们班最好的篮球运动员？—我不知道，我是新来的。题中best为最好，是形容词最高级，前面要加定冠词the;第二空中new前面不需要加冠词。故选C。