单项选择题
The best title for this passage is （）
A．Traffic Crowding in New York City B．Air Pollution in New York City by Cars C．Special Lanes for Passengers D．A Solution to Traffic Problems in New York
单项选择题 According to the passage, bicycles （）
单项选择题 According to the author （）
单项选择题 "Bicycle lanes" (Line 2, Para.3) probably means （）
