题目

阅读理解 Each year there is an increasing number of cars on roads andstreets as millions of new cars and trucks are produced. One out of every sixAmericans works at putting together the parts of cars, driving trucks, buildingroads or filling cars and trucks with gas. Americans won't live without cars! Most Americans would find it hard to think what life wouldlook like without cars. However, some have realized the serious problems of theair pollution that is caused by the car. The polluted air becomes poisonous and dangerous to health. One way to get rid of the polluted air is to build a caThe masterpiece “Guernica”, ________ by Picasso, is permanently exhibited in Madrid.A. paint B. painted C. painting D. to paint