A is the daughter-in-law of B. E is the brother of A. B has only one son, C. If D is the son of C, how is D related to A?

Correct option is A

Given:
· A is the daughter-in-law of B.
· E is the brother of A.
· B has only one son C.
From the given information following family diagram cab be drawn-


From the above diagram D is the son of A.
correct answer is (a) Son.