Based on the data, which conclusion is most accurate?
A
Smoking and drinking individually have an equal impact on oral cancer risk, but combining them slightly increases the risk.B
Combining smoking and drinking creates a much greater risk of oral cancer than either smoking or drinking alone.C
Non-smokers and non-drinkers still have a significant risk of oral cancer compared to smokers and drinkers.D
Drinking alone poses a greater risk for oral cancer than smoking, but the combined use does not significantly amplify the risk.