Existentialism is a phylosophical theory, defined as "approach that emphasizes the existence of the individual person as a free and responsible agent..."
Therefore, the answer could be all of them as they are the individual beliefs and individuals can determine their own beliefs. However to best characterize this theory I would say that the answer is A.
Here is the list of pronouns in the order they appear in the text, assigned to their particular groups:
1. interrogative pronouns (the ones who ask a certain question): WHAT, WHAT
2. possessive pronouns (the ones which show a certain possession): YOURS, YOURS
3. personal pronouns (I, you, he, she...): IT, IT, YOU, YOU, YOU, IT, US
4. indefinite pronoun (you cannot exactly determine who it is about): EVERYONE, ANYONE, SOME, ALL, EACH
5. relative pronouns (connect a clause to a noun/pronoun): WHO, THAT, WHATEVER
6. demonstrative pronouns (point to a particular thing): THESE
Weather would be a natural choice as an omen because sunshine is good and natural disasters like tornadoes are bad.
I believe it is an Idiom. Are there options to choose from?
