How does the list of potential explanations for altruism contribute to our understanding of psychologists view on the subject

How did the fisherman’s motivation move the plot forward

Insert comma today we went to the store to the post office and to the park

Which best explains this excerpt’s purpose in the novel’s plot structure? the excerpt creates conflict between characters as part of the rising action. the excerpt provides background information on a character as part of the exposition. the excerpt returns a character to equilibrium as part of the falling action. the excerpt is the point of greatest tension and acts as the climax.