1.  In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative : ba _ b _ aabb _ a _ _ a _ bb

A. bbaabb
B. ababba
C. ababab
D. bababa

Answer: Option B

Explanation:

The series is baab / baab / baab / baab / b.

Thus, the pattern baab is repeaated.