假设你是李明，在一家贸易公司工作，业余时间参加英语口语培训，但下周二的培训你因故无法参加。请你根据以下要点，向你的外籍教师Smith写一个请假条。
内容要点：
1．很抱歉不能参加下周二的培训；
2．理由：经理派你去海南出差三天；
3．请Smith帮你把课程内容录下来，课下补听。
参考词汇：贸易公司：trade company
注意：词数100词左右。

A.humans 
B.animals 
C.persons 
D.people

A. People were unable to cause the movement to last or record it in the 21st century.
B. Pat Sullivan was a famous early cartoon character.
C. It is impossible to make cartoon characters do what they are designed to do.
D. In ancient times people were surprised by movement.