Some people think they have an answer (36) the problem of automobile crowding and pollution in large cities. Their (37) is the bicycle, or bike. In a great (38) dries, hundreds of people ride bicycles to work every day. In New York city, some bike (39) have even formed a group (40) "Bike for a Better City". They claim (声称)that if (41) people rode bicycles to work, there (42) be (43) automobiles in the downtown section of the city and (44) less dirty air from car (45) .For several years this (46) has been trying to get the city government to (47) bicycle riders. For 48 ,they want the city to paint special lanes(车道) for bicycles only (49) some of the main streets, because when bicycle riders must use the (50) lanes as cars, there may be (51) ."Bike for a Better City" feels that if there were (52) lanes, (53) people would use bikes.But no bicycle lanes have been (54) yet. (55) thinks they are a good (56) . Taxi drivers (57) the idea--they say it will slow traffic. Some store owners on the main streets don’t like the idea-they say that if there (58) less traffic, they will have less (59) . And most people live (60) far from downtown to travel by bike. 40().

A. as
B. of
C. marked
D. called