With few people ______ pigs, the price of pork ______.

[    ]

A. rising, rises

B. raising, raises

C. rising, raises

D. raising, rises

有四种说法：甲、正数的平方不一定大于它本身；乙、正数的立方不一定大于它本身；丙、负数的平方不一定大于它本身；丁、负数的立方不一定大于它本身；这四种说法中，不正确的说法的个数是（　　）

A．0个

B．1个

C．2个

D．3个