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

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

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

C. People should either throw rubbish nor cut down the trees in the park.

D. People should neither throw rubbish or cut down the trees in the park.