Answer:
The correct answer is letter "C": They are typically supported by ad banners of other advertisers.
Explanation:
A classified ad website is the type of web page that allows a free advertisement in different fields without charge. By doing this, the websites promote the purchase, selling, and bargain of products from different kinds. Usually, the classified website is supported by other advertisers who pay for publishing on the same webpage. Examples of free posting sites are eBay, Craiglist, and OLX.
