Direction: In each of the following letter series, some of the letters are missing, which are given in the same order as one of the alternatives below it. Chose the correct alternatives.
- 
					 a_bc_a_bcda_ccd_bcd_
- 
                        - abddbd
- acbdbb
- adbbad
- adbcad
 
Correct Option: C
The word  aabcd  is formed. 
2nd word is made by changing to the 2nd position with next alphabet, similarly 
3rd word is made by changing to the 3rd position with next alphabet,
4th word is made by changing to the 4th position with next alphabet.
aabcd/abbcd/abccd/abcdd ⇒ adbbad
 
	