问题
When he was a student, he would get up early and work late into night, believing “______________”
A:Never too late to learn
B:Never count your chickens until they are hatched
C:atches the worm
D:Everyone has his feet of clay
B:Never count your chickens until they are hatched
C:atches the worm
D:Everyone has his feet of clay
正确答案是：
