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:

They have a scheme of rewarding the best of the performers every year.

A a best performer

B the best among the performer

C a best among performer

D the best of the performer

E No correction required

ANS:E - No correction required

No answer description is available.