问题

With more forests _______, a huge quantity of good earth _______ every year.
A:being destroyed; is being washed away
B:are being destroyed; is being washed away
C:being destroyed; are being washed away
D:destroyed; are being washed away;
B:are being destroyed; is being washed away
C:being destroyed; are being washed away
D:destroyed; are being washed away;
正确答案是: