Identify the correct answer containing letters which will most appropriately fill in the blanks.
a b a _ a b _b _ b a _

Options

A. a, a, a, b
B. b, a, b, a
C. b, a, a, b
D. a, b, b, b

Answer

C

Explanation

The pattern followed here is,
a b a b a b a b a b a b (repeating .ab. for 6 times). Option C exactly fits in the blanks.