B) Active smokers responded more quickly than the other subjects.
C) Non-smokers were not better than other subjects in performing simple tasks.
D) Deprived smokers gave the slowest responses to the various tasks.
25. We can infer from the last paragraph that _________.
A) smokers should not expect to become airline pilots
B) smoking in emergency cases causes mental illness
C) no airline pilots smoke during flights
D) smokers may prove unequal to handling emergency cases
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