WE CAN INFER FROM THE PASSAGE THAT __________.A. THERE IS A BIG GA...

30. We can infer from the passage that __________.

A. there is a big gap between the rich and the poor in the city.

B. people leave the countryside because life there is simple.

C. Most of the urban dwellers have low income

D. people do morning exercise in public parks because they have much free time.