当你遇到某同学说谎、不诚实的时候,你可以用下列哪个故事来帮助他( )
A:退避三舍
B:纸上谈兵
C:卧薪尝胆
D:朝秦暮楚
—How do you go to school, Mr. Li?
—I _____________ to school, because it is good for my health.