Can malaria be controlled? Spreading world poverty has deprived nations of funds for sanitation, so that many health projects have been stopped, while increased movements of migrant workers and tourists have carried infections more rapidly from one country to another. At the same time, the overuse of drugs, especially antibiotics, has led to the establishment of resistant strains of diseases. Choose from the following choices those that can help build the information structure of the paragraph.
A、malaria
B、poverty
C、movements
D、drugs