52. According to the Better Business Bureau, if you fail to advertise the highest price in a range of prices for a service or product as prominently as that of the lowest, it violates the New York Consumer Protection Law. (A) if you fail to advertise the highest price in a range of prices for a service or product as prominently as that of the lowest, it (B) if one fails to advertise the highest price in a range of prices for a service or product as prominently as the lowest price, it (C) failure to advertise the highest price in a range of prices for a service or product as prominently as the lowest (D) failure to advertise as prominently the highest price in a range of prices for a service or product as the lowest (E) failing to advertise as prominently the highest price in a range of prices for a service or products as that of the lowest 请问，C和D有什么区别？它们各自的前后比较对象是什么？
