Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
_ n p _ r r _ p _ m m _ p q _ r q _ n m _ n p _ r r q _ n m ​​

The series _ n p _ r r _ p _ m m _ p q _ r q _ n m _ n p _ r r q _ n m.

By filling in the blanks with the correct letters to complete the series, the sequence is mqqnnrpmqp. ​​

Correct answer is (c).