Which of the phrases given below the sentence should replace the phrase printed in bold type to make it grammatically correct? If the sentence is correct as it is, mark 'E' as the answer.

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

Correct answer is C

No explanation has been provided for this answer.