The foremost reason why the egg-based method is defective lies in_____. -题库考试答案搜索网

The foremost reason why the egg-based method is defective lies in_____.

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2022-05-21 12:47

A、[A] the complex process of vaccine production
B、[B] its potential threat to human being
C、[C] the low survival rate for new flu vaccines
D、[D] its contribution to the flu vaccine shortage

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正确答案

C

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