An image of an influenza virus is shown. The spike-like structures that cover the virus are surface proteins.

What is the function of the surface proteins on the influenza virus?

{silence}Option A.{silence}
To protect against antibiotics

{silence}Option Be.{silence}
To attach to a host cell

{silence}Option C.{silence}
To manufacture enzymes using a host’s immune system

{silence}Option D.{silence}
To remove a host cell’s DNA