Bill: I got the job you recommended me for last week.
Jack: That’s great! __________
Bill: I really don’t know how I can thank you enough.

Bill: I got the job you recommended me for last week.
Jack: That’s great! __________
Bill: I really don’t know how I can thank you enough.

A. Congratulations.

B. Good news.

C. I feel so happy.

D. Good luck.

正确答案是A