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 : _ bcc _ ac _ aabb _ ab _ cc

A. aabca
B. abaca
C. bacab
D. bcaca

Answer: Option C

Explanation:

The series is bbccaa / ccaabb / aabbcc.

The letter pairs move in a cycle order.