Select the option that represents the letters that, when sequentially placed from left to right in the blanks

Select the option that represents the letters that, when sequentially placed from left to right in the blanks, will complete the letter series.

_ a d _ v k _ a _ d v v _ r a a _ v _ k r

A.            a v r k a d v

B.            a v r a k d v

C.            v a r v k d v

D.            a v r v a d a

Sol:

a a d v v k r /a a d v v k r/ a a d v v k r