Assuming That Smoking Reduces Stress, What Is Likely to Occur

Assuming that smoking reduces stress, what is likely to occur if paradoxical conditioning is the case?

A) simply seeing a cigarette would increase stress, which would then be reduced by smoking
B) stress levels would increase when the individual smoked a cigarette
C) stress levels would be unaffected by seeing a cigarette
D) the stress reducing effects of smoking would depend on the individual's state of mind