Select the option that represents the letter that, when placed from left to right will come in the blanks below, will complete the letter sequence correctly.
l _ m _ _n o o _ _ _ m m n n _ o _ _ o l _ _ n n _ _ _ o o
The letter sequence is as follows: l m m n n n o o o o / l m m n n n o o o / o l m m n n n o o o o
