A、To make parking cars on public places illegal. B、To make it difficult to park cars. C、To increase more public transportation.

W: America is a nation of immigrants. Even the American Indians are descendants of the Mongoloid people of Asia.
M: Really? I thought the American Indians had always been in the North America.
Q: What do we know about the American Indians?

M: So, what’s your suggestion to reduce car use?
W: Well, one effective way is to make parking of cars very difficult at common public places. This way, people may catch public transport, or just walk or cycle.
Q: What is the woman’s suggestion to reduce car use?