I was ashamed my failing the exam and decided on a measure to make up for it.A. of; uponB.

问题补充：

I was ashamed my failing the exam and decided on a measure to make up for it.

A. of; upon

B. for; on

C. at;on

D. about; upon

答案：

(答案→)A. of; upon

B. for; on

C. at;on

D. about; upon

解析：本题考查两个固定搭配。be ashamed of sth为……感到羞愧/惭愧；decide on/upon sth决定；选定。