. When talking about his road to success in an interview he owed his success his mother.

问题补充：

. When talking about his road to success in an interview, he owed his success his mother.

A. for

B. in

C. on

D. to

答案：

A. for

B. in

C. on

(答案→)D. to

解析：考查介词。本题考查短语owe … to …归功于。句意：在采访中当他谈到成功之路时，他把他的成功归功于他的母亲。