Answer:
The right answer is the letter C
Step-by-step explanation:
Sometimes, some people can not finish high school for many reasons, and as time goes by it becomes harder for them to go back to school and finish high school. These are the people the ad wants to reach.
In the advertisement we see a woman being congratulated by her daughters for having finished high school. Thus, we can conclude that this announcement wants to encourage people to finish their studies and conquer their degrees, regardless of age or occupation.