A, B, C, D, E, F and G are members of a family consisting of 4 adults and 3 ****, two of whom, F and G are . A and D are brothers and A is a doctor. E is an engineer married to one of the brothers and has two ***. B is married to D and G is their child. Who is C ?
(a) G' brother (b) F' father (c) E' father (d) A' son