I think it is more often, if I'm reading the question right
Answer:
YASSS, siblings r the best friends!
Explanation:
A suffix ment of nouns, often concrete, denoting an action or resulting state ( abridgment; refreshment), a product ( fragment), or means ( ornament)
Suffix -tion. (non-productive) Used to form nouns meaning "the action of (a verb)" or "the result of (a verb)". Words ending in this suffix are almost always derived from a similar Latin word; a few (eg gumption) are not derived from Latin and are unrelated to any verb.
I think C because its talking about what is behind the story who did it how and why
