Which vitamin helps protect us against colds? [ 2.2 分 ] A.Vitamin A B.Vitamin B C.Vitamin C D.Vitamin D

Which vitamin helps protect us against colds? [ 2.2 分 ]
A.Vitamin A
B.Vitamin B

C.Vitamin C
D.Vitamin D

出自：乐山师范学院-英语读写

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