Energy Transferred into an Ideal Gas as Heat

Multiple Choice

Energy transferred into an ideal gas as heat:

A) goes entirely into the internal energy of the gas
B) goes entirely into doing work to expand the gas
C) goes entirely into the internal energy of the gas only if the pressure is constant
D) goes entirely into the internal energy of the gas only if the temperature is constant
E) goes entirely into the internal energy of the gas only if the volume is constant