Let us first define the meaning of misplaced modifier; it is a word, clause, or phrase that is improperly placed in a sentence which make it refer or modify an unintended word.
The first, second, and third sentences that are given above sound correct because their modifiers are placed just right. Only the fourth sentence sounded awkwardly and confusing, because the clause "who lives in New York" is improperly separated from the subject "My aunt", which must be described in the first place, and not the "holidays".
The sentence will sound and can be understood better if it is written this way,
"My aunt, who lives in New York, is coming home for the holidays."
It shows that his quest was to learn more about the animals
Hemingway conveys double entendre between Krebs's soldier and civilian lives. The excerpt shows the ambiguity or precisely black and white nature of the lives. Krebs cannot do the things in his civil life that he has done in his military life. The author counts the disadvantages of these opportunities of Krebs's civilian life in the given excerpt. In order to escape from this unwanted reality he must become someone else. So that, he must lie and he must leave his formed identity.
Aggressive: I can kill someone.
Critical: Things will always go wrong.
Pessimistic: Nothing can improve.
Disempowering: I am loosing heart.
Agitating: Everyone is selfish.
I hope this is what you were looking for! :)
C. The Clouds Shed Their Rain In Bitterness.