How Do Most Economists Understand the Federal Government's Practice of Subsidizing

How do most economists understand the federal government's practice of subsidizing and offering tax deductions for interest paid on mortgage loans?

A) as a redistributive policy that mostly benefits lower classes
B) as a redistributive policy that mostly benefits upper classes
C) as a redistributive policy that benefits all classes equally
D) as a distributive policy that mostly benefits lower classes
E) as a distributive policy that mostly benefits upper classes