Listen to the recording and answer the multiple-choice question by selecting the correct response. Only one response is correct.
Q. Which of the following best represents the main idea of the passage?
(1) Medicare would have to cover less than half our medical costs.
(2) Exercise can reduce the budget deficit by cutting the medical costs.
(3) Cardiovascular disease is the number one killer of the Americans.
(4) In 2011, the heart disease was expected to have declined by 2030.