Answer:
A - Ants
Step-by-step explanation:
Ants are very small animals, so they are very easy to enter homes and invade food, clothing and even create anthills that will take a lot of work to exterminate. Because of its small size, it is important that you seal all the entrances in the house, especially the smaller ones where it will be difficult to see the ant entry.
Sealing house entrances prevent tiny insects from entering the house. For this reason, we can say that the best option to answer your question is the letter A.