单项选择题

Boston is a beautiful big city with historical landmarks, museums and cultural sites. There are a number of fine arts venues and more than 50 colleges and universities in the area, including Har ard in Cambridge, one of the bigger Boston suburbs. To see 372-year-old Boston, put on your tennis shoes and tour the streets on foot. Most of the city’s sights can be seen within a five-square-mile area in the North End, the historic center of the city. Most people use the city’s subway to get around. From Faneuil Hall to Beacon Hill to Harvard, Paul Revere’s house or the site of the Boston Massacre, visitors can find a huge chunk of the nation’s heritage in one afternoon.

How do most people get around in Boston（）.

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