the high income tax is harmful------it may discourage people from trying to earn moreA in that B that C which D which A 跟B 怎么区别,在什么情况下用B 什么情况下用A 答案肯定是A
问题描述：
the high income tax is harmful------it may discourage people from trying to earn more
A in that B that C which D which A 跟B 怎么区别,在什么情况下用B 什么情况下用A
答案肯定是A
答
A 是因为的意思,相当于because
that引导的从句没有因为的意思,必须用in that