To assure air is properly vented from a heating or cooling coil,
a. Return water connection should be at the bottom of the coil
b. Supply water connection should be at the bottom of the coil
c. Supply water connection should be at the top of the coil
d. Vent should be located at the lowest points of the supply and return lines, and of the coils
e. Double serpentine water coil circuit should be used
Answer: B