The winner of the Grand Slams said that he had owed his success to many people his parent

问题补充：

The winner of the Grand Slams said that he had owed his success to many people, his parents.

A. after all

B. by chance

C. on purpose

D. in particular

答案：

A. after all

B. by chance

C. on purpose

(答案→)D. in particular

解析：本题考查介词短语。after all“毕竟，终究”；by chance“碰巧”；on purpose“故意地”；in particular“尤其地”。文中的他把成功归因于许多人，尤其是他的父母。故选D项。