9037From the text we learn that__________. 查看材料A.bioter8908

From the text we learn that__________. 查看材料 A.bioterrorism is an engineered threat to human beings B.bioterrorism can be arrested by improving communication C.natural infections and bioterrorism are the same in essence D.the anthrax attacks are more threatening than the outbreak of SARS 请帮忙给出正确答案和分析，谢谢！