Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
- 
					 _ _dan_ _nda_dand_
- 
                        - dnadna
- ndanda
- andana
- danndn
 
Correct Option: C
As per given question, the letter series is following the below pattern.
an d/an d
After using the pattern the complete letter series will be as below.
an d/an d/ a nd/a n d/ and/ a
 
	