问题
What can we know from the last paragraph？
A:Mary feels pity for herself.
B:Mary has recovered from her disease.
C:Mary wants to help others as much as possible.
D:Mary determines to go back to the dance floor.
B:Mary has recovered from her disease.
C:Mary wants to help others as much as possible.
D:Mary determines to go back to the dance floor.
正确答案是：
