Correct option is C
Given series: _ V J R W B _ _ R W B V L _ _ B V _ _ W
Option (A): AVK R W M R
A V J R W / B V K R W / B V L R W / B V M R W
Option (B): A W K R X N R
A V J R W B WK R W B V L R X B V N R W
Option (C): B V K R W M R
B V J R W / B V K R W / B V L R W / B V M R W
In this series letter J →K → L →M are increasing while remaining letter BVRW is same.
Option (D): B W K R W M
B V J R W B W K R W B V K R B V W M W
Correct answer is (C).