问题详情

From this passage, we can find the following facts except that________.
A．the students at the Florida Virtual School hail from places in or out of the U. S.
B．the students at the online schools can take classes at any time
C．the online schools provide a variety of training from tennis to music
D．among the students of Florida Vitual School, there are some very advanced or backward ones.请帮忙给出正确答案和分析，谢谢！