Seven friends C, D, E, P, Q, R and S are sitting around a circular table facing the centre of the table. Only three people sit between P and C when counted from the right of C. Only three people sit between R and D when counted from the right of D. E sits to the immediate right of R. S is an immediate neighbour of D as well as C. How many people sit between S and Q when counted form the right of S?
ATwo
BOne
CThree
DNone