单选题 ______ is a major city in the sooth - east of New York state and comprises five boroughs, one of which is Manhattan, the economic and cultural heart of the city.
A. New York B. Los Angeles C. Seattle D. Dallas

【正确答案】 D
【答案解析】[解析] B洛杉矶是美国第二大城市，尤以Hollywood的电影工业等闻名，C西雅图是美国西北部最大的城市，D达拉斯是美国的石油工业中心。