P is granddaughter of A, who is married to W. M is brother-in-law of A, who has two daughters but no son. R is cousin of Q and brother of P. U and V are sons-in law of W. V has two daughter. T and S are the daughters of X. D is also the member of this family.
How many couples are there in the family?

Options

A. one
B. two
C. three
D. four

Answer

C

Explanation