The values of `K_(f)` for solvents P,Q,R and S are 1.86, 1.99, 5.12 and 4.7 kg `mol^(-1)` resp. The equimolal solutions of a solute in these solvents will have the freezing point in order of solvents
A. RgtSgtQgtP
B. PgtRgtSgtQ
C. PgtQgtSgtR
D. RgtQgtPgtS