24 純素者最容易缺乏那一種維生素?
(A)Ascorbic acid
(B)Folic acid
(C)Pantothenic acid
(D)Cobalamin
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統計: A(17), B(57), C(36), D(902), E(0) #572647
統計: A(17), B(57), C(36), D(902), E(0) #572647