A-A+
It can be inferred from the passage that all o
问题详情
It can be inferred from the passage that all of the following are ways of producing new strains of influenza viruses EXCEPT______.
A. two influenza viruses in the same animal recombining
B. animal viruses recombining with human viruses
C. two animal viruses recombining in one animal
D. two animal viruses recombining in a human
参考答案
正确答案:D
[解析] 见第三段,根据句意可知选项D为正确答案。