Why might a heart surgeon explained to patient that a human heart is like pump?

A. To contrast the workings of a heart with the working of a pump.
B. To As a comparison to explain the way a heart function.
Juxtaposition Analogies

In washwoman who is the narrator telling the story

How will charlie most likely change after his experience at the diner in part 2 of "flowers for algernon"? he should be kind to each person who crosses his path. he will be more sympathetic to those who are similar to the way he once was. he will attempt to the dishwasher receive the surgery he was given. he will react the same way each time he sees someone being treated unfairly.

How does the author foreshadow trouble in the prison? support your answer with explicit textual evidence