Respuesta :
by informing readers of the education options being described
The way that the subheadings under "after high school" contributed was by informing readers of the education options being described .
How did it do this?
In the text being referenced, the "after high school" section include several subheadings that spoke about the various academic things that a person could do after high school.
Those subheadings were therefore informing the readers of their educational options.
In conclusion, option A is correct.
Find out more on subheadings at https://brainly.com/question/16934135.