单项选择题


Questions 21 to 23 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions.
Now, listen to the news.
What can we learn from the news item

A.In Morocco, both satisfaction and optimism have doubled.
B.Optimism grows in the Arab world.
C.Many Arab countries have improved health, literacy and incomes of their citizens.
D.There is an acceleration of the economic growth in Arab world.