A:m、n为常数,且m≠0
B:m、n为常数,且m≠n
C:m、n为常数,且n≠0
D:m、n可以为任何常数
——It won't take long to clean our school if all the students are willing to help. ——Yes, I think so. ________.
设函数f(x)=ax2+b(a≠0),若∫03f(x)dx=3f(m),则m=( )