1)

Given below is a sequence in which some letters are missing .From the choices select the one that contains in order,the letters that can fill the blanks in the geiven series.
a_cd_c_a_da_d_b_


A) bbdcbac

B) bbcdabc

C) bacbabc

D) bcdbabc

Answer:

Option A

Explanation:

abcd bcda cdab dabc pattern