D) They would have increased the number of tuition waivers.

D）他们会增加学费减免的数量。

The initial proposals would have made education unaffordable for many by taxing tuition waivers for graduate students and ending deductions for student loan interest.

最初的提议将通过对研究生学费减免征税和终止学生贷款利息扣除，使许多人负担不起教育。