Final answer:
Advertising on buses and taxis is known as transit advertising, an effective way to reach a broad audience as traditional television and print advertising decline. So, the correct answer is option C. transit advertising.
Step-by-step explanation:
Advertising placed on buses and taxis is called transit advertising. This type of advertising is one of the many strategies companies use to reach consumers in a landscape where traditional mediums like television and print are becoming less effective due to technology enabling people to skip ads.
Transit advertising is highly visible and can reach a wide audience as it moves through urban areas, making it a worthwhile consideration for businesses looking to promote their products or services externally, away from the digital world and in the constant motion of everyday life.
According to the options provided, the correct answer is C. transit advertising.