Thetwosportsmencongratulatedeachother

来源：语文精选馆 2.33W

The two sportsmen congratulated each other______winning the match by shaking hands.

A. with B. on C. in D. to

解析：此题考查短语congratulate sb. on/ upon sth./ doing sth.意思是“为某事向某人祝贺”，所以，选择介词on。