Thermodynamic processes are indicated in the following diagram <br>

Question

Match the following


( A ) $P \to d, Q \to b, R \to a, S \to c$
( B ) $P \to c, Q \to d, R \to b, S \to a$
( C ) $P \to a, Q \to c, R \to d, S \to b$
( D ) $P \to c, Q \to a, R \to d, S \to b$