阿摩線上測驗
49 What does the author of this article suggest that vegans do to gain all necessary nutrition?
(A) Eat more fiber.
(B) Exercise daily.
(C) Take vitamin B12 supplement.
(D) Prepare their daily diets at home.
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統計： A(172), B(214), C(1938), D(171), E(0) #1328527
統計： A(172), B(214), C(1938), D(171), E(0) #1328527
