Answer:
B
. They target people in specific ways
Explanation:
An advert is an announcement in a public medium or social media promoting a product or service or publicizing an activity.
The main function of an advert is to bring in new customers or re-establish contact with existing ones.
Advertisements target specific audience in specific ways. There is a target audience the advertisers are aiming for.
For example, a company that is advertising hearing aids wouldn't target younger people, its target audience would be older people with hearing problems.
