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

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

_ F O _ L L W F _ O O L _W F F _ O _ L _

A.            F O F L O L W

B.            F F L L O O W

C.            F F O L L O L

D.            F O W L L F W

Sol:

F F O O L L W/ F F O O L L W /F F O O L L W