Answer : Option C) Actually
Explanation : "<em>An adverb is a word or phrase which modifies the meaning of an adjective, verb, or other adverb, expressing manner, place, time, or degree for e.g. gently, here, now, very". </em>There are some adverbs, which are like sentence adverbs,that can be also used to modify the whole sentences.
Here amongst the given options; "Actually" is the word that satisfies the condition of being an adverb as it is modifying the other adverb "really."
Rest all options are a form of adjective.
Formal principle because formal means "used to be" so the ex principal would be the FORMER principal. he's not principal.
Swam quickly, swam slowly, swam gently
The think about Mr. Utterson and Mr. Enfield is that they almost have nothing in common and they came from different background and reputation.
So, what other people think of Mr.Utterson's friendship with Mr. Enfield would be : they do not understand why the men are friends
hope this helps
Answer is B... It contains all the colors of a rainbow