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:

Can you tell me why did you not speak the truth?

A why did not you speak

B that why did you not speak

C why you did not speak

D why did you not spoke

E No correction required

ANS:C - why you did not speak

No answer description is available.