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.  


Who is the mother of B ?

A) D

B) F

C) E

D) A

E) None of these.