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