Question 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news. According to the doctor, what is their primary work at present
A.Establishing a medical system for those displaced people. B.Helping the displaced people rebuilding their homes. C.Fighting against the diseases brought by the hurricane. D.Calling for help from International Red Cross.