Determine the relationship of C to A

Step 1: Analyze the given information to establish relationships

• "D is the grandmother of A and mother of B." → B is D's child, and A is B's child. D is female.
• "C is wife of B and mother of F." → B and C are a married couple, F is their child. C is female.
• "F is granddaughter of E." → Since F is the child of B and C, and D is B's mother, D is one grandparent of F.
  For F to also be granddaughter of E, E must be D’s spouse. So, D and E form the second married couple.

Step 2: Consolidate the family structure

• D and E are a married couple.
• B is their child.
• B and C are a married couple.
• A and F are the children of B and C.

Step 3: Determine the relationship of C to A

Since A is the child of B and C, and C is the wife of B, C is the mother of A.

Answer:

The correct answer is (B) Mother.