Select the combination of letters that when sequentially placed in the blanks of the given series will make the series logically complete. aced
_CFB D_IE GI_H JLO_MOR_

Given: _CFB D_IE GI_H JLO_MOR_

Let's check all  the options:

Option (a): AFLKN

Sequence:  A C F B D F I E G I L H  J L O K M O R N   (Logical sequence)

Pattern is following:

​Option (b): AELMN

Sequence: A C F B D E I E G I L H  J L O M M O R N  (Sequence Not Follow)​
​Option (c): BEJMQ

Sequence: B C F B D E I E G I J H  J L O M M O R Q  (Sequence Not Follow)​
​Option (d): BFJKQ

Sequence: B C F B D F I E G I J H  J L O K M O R Q  (Sequence Not Follow)

Thus, the correct option is (a) AFLKN