Noise I believe, since that is what is being escaped from by the hiker
Workers and owners would cooperate for profit
Based on the given excerpt above, I can say that the what the carp represents here are DEATH and INNOCENCE. Death here refers to how the twenty-pound carp was being treated and innocence refers to the teachers and boarding students who tasted the carp. This excerpt is actually from Yun Wang's "The Carp" and this lyric poem reflects his bad experiences from his father, such as imprisonment and torture.
For the first one i'd say the answer is C
and for the second one i'd say the answer is C