1. No one answered the ad but me.
Answer:
preposition
Explanation:
In the sentence "No one answered the ad but me", the word" but" is a preposition meaning "with the exception of; except".
cf. "No one answered the ad except me."
2. There is but one choice to make in this case.
Answer:
adverb
Explanation:
In the sentence "There is but one choice to make in this case", the word but is an adverb meaning "only".
cf. "There is only one choice to make in this case."
though I can't be sure without seeing the passage first, I presume its option C) "she has a right", because it has the most assertive and passionate tone as far as I can tell.
Answer:
We don't know the answer to question 3
I have hated words and I have loved them, and I hope I have made them right.” ... pg. 528
"You want to know what I truly look like? I'll help you out. Find yourself a mirror while I continue." pg. 307
"Sometimes I imagined how everything looked above those clouds, knowing without question that the sun was blond, and the endless atmosphere was a giant blue eye." pg. 350
Like maybe , it means he/she tried and tried or struggled too. Hopefully this helps