It came with devastating force,a natural disaster of strange intensity that shocked the world and killed tens of thousands.The waters have now receded,but disease and food and water shortages trouble a number of countries around the Indian Ocean.Millions of survivors face serious problems. The number of survivors in need of food aid after the Indian Ocean disaster has climbed to 5 million people.They stretch from Somalia to Thailand,and the figure could rise further,the United Nations has said. Relief teams hope to reach all of the estimated 700 000 hungry in Sri Lanka within three more days.It could take longer before enough food aid gets to the nearly 1 million people in need in hard-to-reach parts of Indonesia.Another serious problem is the need for purified water. Although aid had poured in from all over the world to the disaster areas,"Logistics is the big problem here--just getting the stuff out to people who need it,"said Ron Libby,emergency management specialist at the USA agency for International Development. Relief efforts are hindered by the difficulty of delivering aid to the more than 1000 islands scattered across hundreds of kilometers of ocean. For those who survived the tsunami's force,disease is now the No.1 problem.Five million people are short of water,food and basic sanitation across the region.World Health Organization(WHO) crisis chief David Navarro said 50 000 more people could die from disease and other causes,as has been the case in previous humanitarian emergencies. WHO said it had already received a handful of reports of malaria and dengue fever and hundreds of reports of diarrhea and infected wounds.It said millions of water purification tablets had been sent to Asia,along with sanitation engineers to rebuild water sanitation infrastructure. Psychologists are warning that mental health problems caused by the tsunami could prove harder to resolve than the physical damage. Some survivors say they are plagued by recurring nightmares about walls of water.Many locals are afraid to... This passage is mainly about _ that happened around the Indian Oceans. A) the causes of the tsunami B) the result after the tsunami C) the sign of the tsunami D) the warning of the tsunami
B