Sentence Correction

hi there,

how to resolve this SC ? How do you select the right SC ?

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


OA is C

First of all violates in the second part of the sentence nidicates that first part should contain a noun, so A,B,E are out adn we have only C and D falure.
D is out because of the modifier placement as prominently the highest price in a range of prices for a service or product as the lowest is less clear then to advertise the highest price in a range of prices for a service or product as prominently as the lowest , so C is the best answer choice.