Teacher often ask us ----make any noise in class

题目

Teacher often ask us ----make any noise in class
A. to try not to B.not to try to
到底是A还是B我搞不懂啊~跪求详解···

答案

not to try to
不定式的否定就是在不定式前加not
try to是尽力,试图的意思