In following questions, three sequence of alphabets/numerals are provided which correspond to each other in some way. Find out alphabets/numerals that come in the blank places.Choose the correct option - _ A D A C B _ _ B D C C 1 3 _ _ 1 2 4 2 _ _ _ _ a _ _ b _ _ c d ? ? ? ?

Answer: D. d, c, a, a

Clearly, b corresponds to A.
1 corresponds to C and a corresponds to 1.
So, a corresponds to C.
2 corresponds to B and d corresponds to 2.
So, d corresponds to B.
So, the remaining lettter  i.e., c corresponds to D.
Thus, BDCC corresponds  to d, c, a, a.