Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now listen to the passage. Which of the following statements about the Pan American Health Organization is true
A．It was established in 1920 and has 35 members. B．It represents North, Central and South America in the World Health Organization. C．The United States, Mexico and Canada are its only members. D．It is based in Canada.