His play was popular and every time about it he owed his success to the support of his fr

问题补充：

His play was popular and every time about it, he owed his success to the support of his friends.

A. talking

B. talked

C. to talk

D. when talking

答案：

(答案→)A. talking

B. talked

C. to talk

D. when talking

解析：考查分词做状语。Talk about it与he构成主动关系，故使用现在分词做状语。D项的when与every time重复。句意：他的戏剧非常受欢迎，每次谈论的时候，他都把成功归功于朋友的支持。