单项选择题
Primary prevention keeps the disease process from_______________or increasing resistance to disease. （ ） A. become established by eliminating causes of disease B. becoming established by eliminating causes of disease C. be established by eliminating causes of disease D. established by eliminating causes of disease
Primary prevention keeps the disease process from_______________or increasing resistance to disease. （ ） A. become established by eliminating causes of disease B. becoming established by eliminating causes of disease C. be established by eliminating causes of disease D. established by eliminating causes of disease