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[主观题]
According to Paragraph 2, which of the following statements is true relating to the groups
of drugs mentioned?
A.The four drugs are different only in the form.
B.All four drugs work against one kind of virus.
C.The two groups of drugs inhibit different viruses
D.Both groups of drugs are effective against type B.
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)