I believe its both but if I had to choose one I'd say
you should not chew gum in class because it's rude
Why:
It makes it look like your uninterested and not listening
If you have a cell phone yes, most students would use it for social media but it may also be used for school related topics.
11. ireland's (beautiful landscape)inspired her many writers and artists.
i hope this helps you out
Answer:
Explanation:
you haven't sent the text you want to say, so i can't know the answer without the text, but if i choose a random answer, i will choose A