What are the three pressure actuated electrical control switches connected in series in an automobile air-conditioner?

A. LPC, HPC and Blower-switch

B. Thermostat, Electromagnetic clutch, on-off control

C. Thermostat, Thermostatic expansion valve, Blower-switch

D. Thermostat, Low-pressure control and high pressure control

Correct Answer: Thermostat, Low-pressure control and high pressure control