Help me I don’t get English

I  believe it would be c

Explanation:

An appositive is a noun or pronoun — often with modifiers — set beside another noun or pronoun to explain or identify it. ... An appositive phrase usually follows the word it explains or identifies, but it may also precede it. A bold innovator, Wassily Kandinsky is known for his colorful abstract paintings.

what sentence

explanation:

on apex it's achieving success is not just a matter of pure talent; it also depends on opportunities and encouragement. if you can do not remove this. it can the other apex users.