单项选择题

Health authorities in many countries are taking urgent steps to control the spreading swine flu crisis which is now on the brink of a full-blown pandemic. Since it was identified as a serious public health issue, the new swine flu virus has been blamed for making thousands of people ill. Health authorities in the Asia-Pacific region have swiftly responded to the situation.
Hong Kong, the Philippines and Australia activated swine flu hotlines Thursday as part of stepped-up efforts to prevent an outbreak. Authorities have also urged the public to maintain good hygiene to prevent the spread of the virus. In the Asia-Pacific, only New Zealand has confirmed cases of swine flu. Philippine health officials went on television Thursday to alert the public of the threat of a pandemic as described by the World Health Organization. Health Secretary Francisco Duque said personal hygiene is the first line of defense against swine flu.
"Wash your hands regularly with soap and water, especially after you cough or sneeze. Alcohol-based hand cleaners are also effective. Please avoid close contact with sick people."
In Australia, Prime Minister Kevin Rudd says the government has stepped up surveillance at borders. Japan said Thursday it will tighten quarantine checks.

Which of the following is CORRECT().

A. Health authorities claimed the new swine flu already became fully pandemic.
B. Personal hygiene is effective and essential to defend against swine flu.
C. Both Hong Kong and Australia have confirmed cases of swine flu.
D. The Japanese government has already stepped up surveillance at borders.