Who amongst P, Q, R, S, T and U is the tallest? I. P is taller that R and T but not as tall as U, who is taller than Q and S. II. R is the third in height in the ascending order and not as tall as U, P and Q, Q being taller than P but not the tallest.

• A. A
• B. B
• C. C
• D. D