Answer: (C) Product placement
Step-by-step explanation:
The product placement is one of the type of marketing technique in which the various types of specific products or the brands are incorporate into the other types of works for example television and the various types of films program.
The product placement is important as by using this strategy it helps in increase the sale and also increase the awareness of the brands.
According to the given question, the marketers basically categorized into the advertising form as the product placement.
Therefore, Option (C) is correct.