Six persons P, Q, R, S, T and U read a magazine one after another.

i. S was neither the first nor the last to read it.
ii. There were as many readers between P and T as there were between R and P.
iii. S read it sometime before Q, who read it sometime after U.
iv. The one who read it last had taken it from R.

Who were the two persons to have read the magazine first and last, respectively?

A

P and Q

B

T and Q

C

P and U

D

T and U