The correct answer should be B. living with others
Cold is the adjective in this sentence because it is describing the snow as being cold.
Impulse, would be the best answer for the sentence
A pronoun can substitute a noun or a noun phrase. Among the options above only C. him and D. They are pronouns: stories is a noun and many could be a pronoun if is was standing alone, but here it is a part of a noun phrase.
C. him is singular, so the right answer is D. They