Directions: Read the following information and answer the questions given below it:
A is the father of C. But C is not his son.
E is the daughter of C. F is the spouse of A.
B is the brother of C. D is the son of B.
G is the spouse of B. H is the father of G. 

Q:

Who is the grandmother of D?   

• 1
  A
• 2
  C
• 3
  F
• 4
  H