[单选题]
Ten joules of heat ener nnx*dj uo57,agy are transferred to a sample of ideal (mvpdvslf0q ,;j j0u ,gas at constant volume. As a result,djq,l;svup0m(fj 0v, the internal energy of the gas
A. increases by 10 J.
B. increases by less than 10 J.
C. increases by more than 10 J.
D. remains unchanged.
