It's A, <span>revolution around the Sun takes a year so it's not B and the earth doesn't revolve around the the moon so it's not C.</span>
Answer:
I think its D formal
Explanation: Formal is more like professional and made for audiences.
Sorry if this is wrong but hope it helps!
It's either A or D because you don't want it to confusing or happy because it is business.
I cant get much off that paper but i would say C