The school made____a rule to make every student on time.A / B it C this D that

问题描述:

The school made____a rule to make every student on time.A / B it C this D that
老师告诉我们选B
为什么不能选A
说明理由

it 指的是后面的动词不定式 to make every student on time, 也就是把make every student on time 当成一个rule,还有如:My father made it a rule to wash hands before dinner. ...make it possible for hum...