36. What is the passage mainly about?
(A) The contribution of snooze button
(B) The harmful effect of snooze button
(C) The behavioral theory behind snooze button
(D) The history of the invention of snooze button
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統計: A(8), B(86), C(79), D(3), E(0) #2062559
統計: A(8), B(86), C(79), D(3), E(0) #2062559