The answer is argumentation because you would argue why something is true or false.
Sentence C as there is no punctuation separating the two clauses.
Gregor wakes up, and finds out hes turned into a big bug. Hope it helps.
Answer:
Perhaps big brother night, an impactful bonding event, or a deep conversation with an older brother. Sometimes a few months – initiation, landing an internship, getting a little brother of your own.