问题详情

What are American drug companies doing to protect their high profits？
A．Labeling drugs bought from Canada as being fakes.
B．Threatening to cut back funding for new drug research.
C．Reducing supplies to uncooperative Canadian pharmacies.
D．Attributing the raging epidemics to the ineffectiveness of Canadian drugs.请帮忙给出正确答案和分析，谢谢！