make up 的用法和意思

问题描述:

make up 的用法和意思
I made up my mind ____them what had happened
A.not tell B.not told C.not to tell D.not telling
把这一题给我讲一下,

C
第一,make uo one's mind to do sth 下定决心干某事
第二,不定式的否定常是 not to do