(37~41)  If you cannot live without your car, Zurich might be the last city you want to visit. In Zurich, people arewelcome,__ 37__ cars are not! Over the past 20 years, this city has used smart ways __38__. One is to keep thesame total number of parking spaces. Some are unhappy that __39__ .That is just what the city has in mind: Ifpeople find parking spaces more difficult, they will drive less. __40__ , the total number of cars in the city is counted. Over 3,500 little computers are put under Zurich roadsto check the number of cars that enter the city. If the number is higher than the city can deal with, the traffic lightswill be kept red to stop more cars entering the city. So drivers have to stop and wait until there are fewer cars in thecity. Now, you may wonder __41__. The answer is simple: The city wants to make more space for its people.
37.
(A) or
(B) but
(C) so
(D) if