How much do you ____your son's education?A pay for B spend on

问题描述:

How much do you ____your son's education?A pay for B spend on
A还是B解释一下原因

应该选A
Pay for是指支付账之类和金钱有关的花费
而Spend on指的是对时间之类的“花费”
如:I spent 3 hours on finding this book.