Answer:
A. The emotional image of the young boy accompanying the old man
Step-by-step explanation:
Pathos is a rhetorical device that uses emotion to convince the audience.
In order to convey the message more efficiently, the author makes allusions whose purpose is to soften readers' heart making them more prone to accept that message as true.
Used properly, pathos can be quite successful rhetorical device.
At the end of his speech, Elie Wiesel, used a vivid and very emotional image to stir up sympathy and pity in listeners.