In the following list of English alphabets, one alphabet has not been used. Identify the same.
X N F A P S R W L T M D E X M G B C X Q J L O P V R C J Z O H S G O D I P T S M R A B E F G N U N E

Options

A. V
B. I
C. K
D. J

Answer

C

Explanation

From the list of English alphabet letter K has not been used.
(go through every given options)