Infinitive is to keep. use is adverb. hope it helps.
Be becuase infinitives always have “to” in them
I believe the answer you want is A.
Answer:In Harper Lee's To Kill A Mockingbird, Mr. Raymond tells Scout that when Dill grows up "he won't cry about the simple hell people give other people--without even thinking. Cry about the hell white people give colored folks, without even stopping to think that they're people too!
Reliable is something you could rely on like depend on
The correct answer is a person who can be depended on