It can be inferred from the passage that all of the following are ways of producing new strains of influenza EXCEPT_______.
It can be inferred from the passage that all of the following are ways of producing new strains of influenza EXCEPT_______.
A. two influenza viruses in the same animal recombining
B. animal viruses recombining with human viruses
C. two animal viruses recombining
D. two animal viruses recombining in a human