Yes, because a simile uses 'like' or 'as' and as of course the sentence contains "as".
A. Spectators are already claiming their seats hours before the event.
Answer:
I think that this is true.
Explanation:
All of the above. However C is most relevant.
Answer:
Sentence ideas from the info provided:
1. Our school is one of those actively involved in community activities because they're enjoyable and a great way to collaborate with others.
2.A clean community is also one of the concerns of the school unless others in the community and those in the school are actively involved in it already.
3. I will call you when I'm finished with soccer practice.
4.I decided to stay home so that I could take a mental health break.
5. We will look for a place where we can eat that's pet-friendly.
Hope I helped, have a nice day :)