第16题: [单项选择]Harlem was called the capital of Black America in the 1920s and '30s mainly because of its A. art and culture. B. immigrant population. C. political enthusiasm. D. distinctive architecture. 参考答案:A 答案解析:Harlem在上世纪20、30年代被称作黑人美国的首都,主要是因为其艺术与文化的氛围。本题的答案可在第六段中找到。