How does the author use the incident of the young Zalman stopping because of his terrible stomach pain during the

How does the author use the incident of the young Zalman stopping because of his terrible stomach pain during the doomed march to
advance the plot in Night?
O It demonstrates Wiesel’s desire to get away from his friends and his father.
O It shows that Zalman did not have the will to survive.
O It reveals the urgency with which the men are being pushed through the march.
O It foreshadows that Wiesel will fall ill after the liberation.