单项选择题
The number of deer, mountain lions and wild roses ______ much if people leave things are they are.
A、doesn't change
B、don't change
C、change
D、changed
The number of deer, mountain lions and wild roses ______ much if people leave things are they are.
A、doesn't change
B、don't change
C、change
D、changed
无花果就是没有花。 
，下列说法正确的是： 。
。
。