Match entities listed in Column I with their correct dimensions given in Column II.

Column I	Column II
P. Drag coefficient	1. ML-1 T-1
Q. Mass transfer coefficient	2. ML-2 T-1
R. Viscosity	3. M0 L0 T0
S. Mass flux	M0 LT-1

A. P-3, Q-4, R-1, S-2

B. P-3, Q-1, R-2, S-4

C. P-1, Q-4, R-2, S-3

D. P-4, Q-3, R-1, S-2

Answer: Option A