下列说法正确的是                                    [ ]

A、8的立方根是2              

B、－4的平方根是－2

C、16的平方根是4              

D、1的立方根是±1

____ person like him won’t be simply satisfied with ___ progress that has been made.

A．The; a

B．A; the

C．The; /

D．The; the