People should not throw rubbish in the park. Peopl...

Câu hỏi: People should not throw rubbish in the park. People should not cut down the trees in the park. 

A People should both cut down the trees and throw rubbish in the park. 

B  People should neither throw rubbish nor cut down the trees in the park.

C People should throw rubbish and cut down the trees in the park.

D People should either throw rubbish or cut down the trees in the park.