試題詳解

171. What is the primary function of the Sliver Line?
(A)To provide a direct connection between downtown Denver and several major suburbs and residential areas.
(B)To serve as an express line between the downtown core and Denver International Airport.
(C)To offer a reliable and convenient transportation option for residents of the city's suburbs and outlying neighborhoods.
(D)To provide a circular route around the downtown core, allowing commuters to easily access various parts of the city center.