29) Which description is the BEST example of a market niche?

• A.Selecting to advertise women's apparel in magazines rather than through television ads.
• B.All the potential customers who are interested in buying a new vehicle.
• C.Elderly people, residing in assisted living centres, who suffer from macular degeneration.
• D.People interested in taking a cruise to any of the Caribbean islands.
• E.The four deli sandwich shops that serve customers in and near a college campus.