`C_v and C_p` denote the molar specific heat capacities of a gas at constant volume and constant pressure, respectively. Then
A. `C_(p)-C_(v)` is larger for a diatomic ideal gas than for a monoatomic ideal gas
B. `C_(p)+c_(v)` is larger for a diatomic ideal gas than for a monoatomic ideal gas
C. `C_(p)//C_(v)` is larger for a diatomic ideal gas than for a monoatomic ideal gas
D. `C_(p).C_(v)` is larger for a diatomic ideal gas than for a monaotomic ideal gas