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单选题
Where is the article most likely taken from?
A
from an advertisment
B
from a medical magazine
C
from a newspaper
D
from a biography
参考答案
参考解析
解析：
全文都是在介绍人体所需的营养物质，因此最有可能摘自医学杂志（a medical magazine），应选B项。
全文都是在介绍人体所需的营养物质，因此最有可能摘自医学杂志（a medical magazine），应选B项。
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