In a state of pure commercial competition, there would be a large number of producing firms, all unfettered by governmental regulations, all seeking to meet consumer needs and wants more successfully than each other.
A.all seeking to meet consumer needs and wants more successfully than each other
B.all seeking more successfully to meet consumer needs and wants than the others
C.each seeking to meet consumer needs and wants more successfully than one another
D.each seeking to meet consumer needs and wants more successfully than the others
E.each seeking more successfully to meet consumer needs and wants than another
C和D到底怎么判断啊?
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【请May老师回答】这题鸡精提供的答案是D 可是我觉得第二个条件不能得出呢 假设n三次方是x平方 除以n平方 是可以得到x/ n 平方 但是x/n 不一定是整数呀?