问题详情

Natalie, Michelle and Anthony have to be at school by 8:45 a.m. Michelle is never late for school. On Monday Anthony was late for school. If these statements are true, only one of the sentences below must be true. Which one？
A．Natalie is sometimes late for school.
B．Anthony sometimes arrives after Michelle.
C．Natalie sometimes arrives after Michelle.
D．Anthony always arrives after Michelle.此题为多项选择题。请帮忙给出正确答案和分析，谢谢！