The word would be extrinsic. Extrinsic means "<span>not part of the essential nature of someone or something; coming or operating from outside."</span>
I think B is your best choice for this question
Very
Very is the adverb that is modifying another adverb. In this sentence, the adverbs are usually, quickly, very, and carefully. Usually modifies the verb moves telling how often he moves the eggs. Quickly and carefully both modify the verb moves as well. They describe how he moves - quickly and carefully. Very is an adverb that clarifies how carefully the speaker is moving.
Answer:
Mr. Williams is an amazing teacher but can be an irrational tyrant sometimes!
Explanation:
Hopes this helps!