Questions 9 and 10 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each of the two questions.
Now listen to the news.
How many casualties were caused by the three bombs

A．The need to control population both in those underdeveloped countries and in developed countries.
B．How to control population in Europe.
C．Scarcity of food and other resources in the world.
D．Population and environment.