The man is very rich he has airplane.A. aB. theC. anD. /

问题补充：

The man is very rich, he has airplane.

A. a

B. the

C. an

D. /

答案：

A. a

B. the

(答案→)C. an

D. /

解析：句意：这个人很富裕，他有一架飞机。Airplane飞机，其读音以元音音素开头，前面有冠词an,故选C。