ab __ d __ aaba __ na _ badna _ b August 13, 2022 – by admin Question: ab __ d __ aaba __ na _ badna _ b [A]. andaa [B]. babda [C]. badna [D]. dbanb Answer: Option A Explanation: The series is abadna/abadna/abadna/ab. Thus, the pattern ‘abadna’ is repeated.