<span>Requiring people to attend annual training events is not a thing that falls under the domain of harassment, and is actually a good thing because it would help both you and the company.</span>
It would be C because a conjunction can stand alone
The book twilight by Stephanie Meyer
Meyer, Stephenie, and Young Kim. Twilight. London: Atom, 2009. Print.
You should speak in a nice strong voice. be confident!