【正确答案】
B
【答案解析】[听力原文] A new report says income inequality is hurting the potential for growth around the world. It says the best way to deal with the inequality—or lack of fairness—is by helping poor people and the middle class. The report is based on an International Monetary Fund study. It examined the issue of income inequality: the differences in wealth between the rich and everyone else. Opinions about income inequality are not hard to find. Many people are concerned about the issue. Kalpana Kochhar is Deputy Director of Strategy, Policy and Review Department at the IMF. On Monday, she said, 'The gap between the rich and the poor is at the highest level in decades in advanced countries, and inequality is also rising in major emerging markets.' The report suggested that policymakers direct their attention on the poor and middle class. That is because they are the major force for economic growth—or an increase in a country's gross domestic product, or GDP. Question: What did the International Monetary Fund study examine?