单选题 Read the following paragraph and identify which evidence it uses to support the main idea. Each year, malaria kills at least one million people and causes more than 300 million cases of acute illness. For children worldwide, it's one of the leading causes of death. The economic burden is significant too: malaria costs Africa more than $12 billion in lost growth each year. In the United States, hundreds of millions of dollars are spent every year on mosquito control. The type of evidence used in this paragraph is _____