Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
- 
					 _bc c _ a abc _ ba ab _
- 
                        - acbc
- abac
- abcc
- acac
 
Correct Option: C
The pattern of given letter series is :-
a bcc b a 
After using the pattern the complete letter series will be as below.
a bcc b a / abc c ba / ab c
 
	