Answer: A. Slice of life
Step-by-step explanation:
Slice of life is an advertising technique which features a real life situation that the audience is familiar with. This mundane situation is usually presented in a dramatic way, while the product that is being advertised is the solution to the "problem" that occurred.
In this case, the children are playing in the neighborhood, which is a scene that we all encounter on a daily basis. They get thirsty, but they won't drink anything. They want Sunny D, a perfect beverage for them to quench their thirst.