pyq/2017/csat/55

Consider the following relationships among members of a family of six persons A, B, C, D, E, and F:

1. The number of males equals that of females.

2. A and E are sons of F.

3. D is the mother of two, one boy and one girl.

4. B is the son of A.

5. There is only one married couple in the family at present.

Which one of the following inferences can be drawn from the above?

(A) A, B, and C are all females.

(B) A is the husband of D.

(C) E and F are children of D.

(D) is the daughter of F.