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:

We don't know how did the thief made an escape.

A how the thief did make

B how the thief does make

C how the thief made

D how was the thief made

E No correction required

ANS:C - how the thief made

No answer description is available.