Directions:- 

All the six members of a family A, B, C, D, E and F are travelling together. B is the son of C but C is not the mother of B, A and C are a married couple. E is the brother of C. D is the daughter of A. F is the brother of B.  

  Which of the following is a pair of females ?


A) AE

B) BD

C) DF

D) AD

E) None of these.