I think it D.100% because the air has reached its limit
When the influenza virus enters an epithelial cell, the infected cell responds by posting antigens and acting as a flag for cytotoxic T cells.
<h3>What is the cell-mediated response?</h3>
The cell-mediated response is a type of immune response where the organism is able to respond to pathogens by immune cells.
Macrophages (as well as other immune cells ) can act during cell-mediated immune responses.
In conclusion, when the influenza virus enters an epithelial cell, the infected cell responds by posting antigens and acting as a flag for cytotoxic T cells.
Learn more about cell mediated responses here:
brainly.com/question/24378503
#SPJ1
I believe the answer must be B when considering the options.
I hope this helps, have a great day, and God Bless!
Brainliest is always appreciated :)