阿摩線上測驗
42. What is the main idea of the third paragraph?
(A) The process of how the new light equipment works.
(B) The explanations of SAD treatments and their effects.
(C) The developments of the new treatment for severe sufferers.
(D) The symptom differences between mild and severe SAD sufferers.
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統計： A(20), B(149), C(71), D(35), E(0) #2265852
統計： A(20), B(149), C(71), D(35), E(0) #2265852
