Sentence Correction - Verbal and Reasoning

Directions to SolveWhich of phrases given below each sentence should replace the phrase printed inboldtype to make the grammatically correct? If the sentence is correct as it is, mark 'E' as the answer.
Q1:

Tax evaders should heavily punished as they do it intentionally.

A should be heavy fined

B should have heavily fined

C shall have heavy fine

D should be heavily fined

E No correction required

ANS:D - should be heavily fined

No answer description is available.