Do you know Jackie Chan?Yes he is great actor. I really like his movies. A. aB.

问题补充：

--- Do you know Jackie Chan?

--- Yes, he is great actor. I really like his movies.

A. a

B. an

C. the

D. \

答案：

(答案→)A. a

B. an

C. the

D. \

解析：句意：你知道成龙吗？——是的，他是一个著名的演员。我真的喜欢他的电影。结合语境可知下文泛指任何一位演员，great词首音素时辅音，故不定冠词用a。选A。