The correct option is D O2N−C|HNO2−NO2
During nitration of propane, trinitromethane (compound D) is not obtained.
A mixture of nitric acid and propane are heated at 400 to 500 oC (vapor phase nitration) to obtain 1-nitropropane, 2-nitropropane, nitroethane and nitromethane.
CH3CH2CH3HNO3−−−−→400oCCH3CH2CH2−NO2+CH3CH(NO2)CH3+CH3CH2NO2+CH3NO2