Comprehension:
A family has 6 members P, Q, R, S, T, and U.
Q is the son of R, but is not the mother of Q. P and R are a married couple. T is the brother of R. S is the daughter of P. U is the sister of Q.
How many brothers does U have?

Options

A. 3
B. none
C. 2
D. 1

Answer

D