If One Complete Cycle of a Reversible Process Is Carried

If one complete cycle of a reversible process is carried out on a sample of an ideal gas so that its final state is the same as its initial state,which one of the following quantities is the only one which can be non-zero?

A) the change in volume of the sample
B) the net heat absorbed by the sample
C) the change in the entropy of the sample
D) the change in temperature of the sample
E) the change in the internal energy of the sample