单选题
Some anatomical features of a pig are similar to those of a human. Therefore ______.
A、
pigs can live as long as people
B、
pigs are becoming popular as movie and TV stars
C、
medical research on pigs help humans
D、
pigs and people naturally get fat
【正确答案】
C
【答案解析】
解析：因为猪的结构特征和人类很相似，所以可以在猪身上进行医学研究以帮助人类。
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