Questions 25 to 26 are based on the following news. At the end of the news item, you will be given l0 seconds to answer the questions.
Now listen to the news. What happened to the number of people worldwide living in extreme poverty over the past 20 years
A．The number has fallen to 19%. B．The number has fallen to 20%. C．The number has fallen by 19%. D．The number has fallen by 20%.