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:

There are not many men who are so famous that they are frequently referred to by their short names only

A initials

B signatures

C pictures

D middle names

E No correction required

ANS:A - initials

No answer description is available.