​_____________ Is an Example of a Progressive Tax, While ____________

​_____________ is an example of a progressive tax, while ____________ is an example of a regressive tax.

A) ​The Medicare tax; the state sales tax
B) ​The Social Security tax; the state sales tax
C) ​The state sales tax; the Social Security tax
D) ​The Federal income tax; the Medicare tax
E) ​None of these choices is true.