36. What is this article mainly about?
(A) The rituals associated with caffeine.
(B) The abuse of caffeine.
(C) The origin of caffeine intake.
(D) The effects of caffeine on the body.
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統計: A(13), B(13), C(4), D(227), E(0) #888181
統計: A(13), B(13), C(4), D(227), E(0) #888181