Landed or descended is the best option as that is the meaning of alighted
The pronoun for the sentence is D.object
Glad to help you ^-^
The best answer is "powerless and depressed". Words like "cough", "choke", "old", and "finally" convey a sad mood, which rules out "angry and vengeful" and "indifferent". The girl is clearly frightened and sad, without any say in the current matters, which makes the best answer "powerless and depressed".
