Options B, C, and D are all facts.
Meaning A, the only option left, is an opinion
Answer:
wear a mask so it doesn't spread. sanitize so you can stay and feel clean. social distance so you don't infect others
Don't touch your eyes or you will get sick
Don't put things in your mouth or it will get you very sick
Don't have large gatherings or people can get infected
It shows that using complex words does not necessarily make ones language clearer or more understandable.