Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene ?

A. Smoking tendency of hydrocarbons increases in the order: paraffins → isoparaffins →
naphthenes → aromatics
B. Smoking tendency of paraffins increases with decrease in its molecular weight
C. Smoking tendency of naphthenes decreases with its increasing molecular weight & also on
addition of double bond
D. Smoking tendency of aromatics decreases with increase in its molecular weight