[单选题]
Ten joules of heat energy are transfk9o o.j26d im x3ri4cgerred to a :fb;br0o wxolo(y8* esample of ideal gas at constant volume. As a result, the intern b0(e l;oyr:b*x of8woal 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.
