A subject complement is either a adjective, a noun, or a pronoun that follows a linking verb.
I say the antagonist, because the devil is agaisnt the main protaginist.
1. C)students
2. A)students’
3. B)student’s
<span>Proper adjectives have their initial letter capitalised,
for example American - derived from a proper noun America - or Victorian - derived from (queen) Victoria.
Common adjectives, on the contrary, don't have </span><span>their initial letter capitalised</span>, for example green, empty, colourful. Just remember that "common adjective" is not a scientific term used by linguists, it is informal.
