Correct Answer: A
Explanation:
Alphabet Series - A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Here the first letters of the terms is C, H, N
H is 5th letter from C
N is 6th letter from H
So next has to be 7th letter from N i.e. V
In the second letters we have Z, U, Q
U is 5th letter from Z
Q is 4th letter from U
So next has to be 3rd letter from Q i.e. N