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:

It was until many years later that Gandhi became a rebel against authority.

A It was not until many years

B It was till many years

C It was not many years

D Until It was many years

E No correction required

ANS:A - It was not until many years

No answer description is available.