函数f(x)=2^x－x³的零点所在的一个区间是                                (    )

A．(0,1)

B．(1,2)

C．(2,3)

D．(3,4)

Though he doesn’t achieve his goals, he is not a failure． ____, he is remembered as a true hero．

A．In particular

B．On the contrary

C．Generally speaking

D．To be honest