单选题 Blacks and American Indians______less than 10% of students in the top 30 business schools while they are about 28% of the U.S. population.
【正确答案】 B
【答案解析】[解析] 虽然黑人和印第安人占美国总人口的28%左右,但在前30名的商学院中却只占不到10%。make up编造,构成;take up占据;reach out伸出,追求;turn out结果是,证明是,关掉。这里只有take up表示“占据”,故答案为B。