JEE Main 2020 Physics question

Molecules of an ideal gas are knows to have three translational degrees of freedom and two rotational degrees of freedom. The gas is maintained at a temperature of T. The total internal energy, U of a mole of this gas, and the value of are given respectively, by

• (A)U = 5RT and
• (B) and
• (C)U = 5RT and
• (D) and Correct