You are presented with the question "What can stay hidden in a hibernating state inside the body?" and the following answer choices: 
- infections
 - blood cells
 - fungi
 - insects
 - viruses
 - honeybees
 - plasma
 - barnacles

Now knowing that some viruses live in a dormant state inside the body and when ferns are dormant it is as if they are hibernating, choose the best answer.


 

     viruses    