这题b的描述错在哪里啊

问题如下：

Which of the following is an appropriate statement regarding the law of one price?

选项：

the same good can sell for different prices.

buy low and sell high to earn a risk-free profit.

the same asset should sell for one price.

解释：

C is correct.

The law of one price refers to the same asset should sell for the same price.

B is incorrect. It is the meaning of the arbitrage .

中文解析：

本题考察一价原则，同样的商品，或在未来会产生同样现金流的组合应该有一样的价格。

C选项是对这一概念的正确描述。