In order to have a sentence with an active voice, you need to have to have the main subject perform an action.
"The revision (subject) gives the sentence (action) an active voice."
The correct answer is A. Flyers discarded in trashcans.
Explanation
Ads are means of communication used to promote something specific such as a new product, a political candidate, a social cause, among others. There are many means used to make advertisements, for example, through flyers, television advertisements, radio guidelines, newspaper advertisements, among others.
One of the negative impacts of advertisements is pollution to the environment because when flyers are printed and they are distributed to people on the street, they usually leave them lying anywhere or throw them in the trash, thus generating pollution. to the environment. So the correct answer is A. Flyers discarded in trashcans.
