Mo2men wrote:
Dear CrackVerbal,
I can't see how there is reverse in logic in Choice A. Rather, I see that quote same sentence.
From prompt: only if withdrawal from its habitual use causes most users extreme psychological and physiological difficulty, then substance is addictive.
Choice A: If a person experiences extreme psychological and physiological difficulty in ceasing to use a substance habitually, then substance is addictive.
What is understand about reverse logic is the following:
If the substance
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