Many futurists believe that our cities will look very different. They predict that there will be more green spaces, and buildings will have gardens on their roofs. Cars will be electric and self-driving, which means fewer traffic jams and cleaner air. Public transport will also be more efficient and widely used.
What is predicted about future cities? A) There will be more traffic jams.
B) Cars will still be mostly petrol-powered.
C) Buildings will have roof gardens.
D) Public transport will be less common.