In the following question, some groups of letters are given, all of which, except one, share a common similarity. Choose the odd one out.

Choose the odd one out.

A.

CXGT

B.

EVBY

C.

DXEY

D.

AZDW

Correct answer is C

In all other groups, the first and second letters occupy the same positions from the beginning and end of the alphabet, and so do the third and fourth letters.