P, Q, R, S, T, U and V sit around a circular table facing the centre. Only two people sit between Q and P when counted from the right of Q. Only three people sit between S and V when counted from the right of V. P sits to the immediate right of V. U sits to the immediate right of T. How many people sit between R and T when counted from the right of T?
A2
B3
C4
D1