Questions 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 questions. Now, listen to the
news.
According to the National Headache Foundation, how many people in the United States suffer chronic headaches
A．About 1 million. B．More than 45 million. C．Less than 30 million. D．More than 100 million.