It’s C. All the other ones have periods in the middle of sentences.
I wish I could understand I would Try to help you
A good way to deal with this would be to go to open college days and events at whichever college he wants to go to or look into is holding.
At open days they normally give you tours around the place and show you the different buildings for different studies and would show you around the dorms.
Hope this helps,
Davinia.
What i would write if i were u:
A main ethical concern would be animal testing. A lot of people do not like the fact that scientist are experimenting on animals for such a tragic disease. Also how would we know that it works when scientist are only using it on animals when the actual humans are the ones getting cancer everywhere.