An allegory is a story that uses characters and settings as symbols that carry a deeper meaning beyond the obvious meaning of the story. Which excerpt from Nathaniel Hawthorne’s "Dr. Heidegger's Experiment" best reveals the allegorical nature of this short story?
-A strange chillness, whether the body or spirit they could not tell, was creeping gradually over them all. They gazed at one another, and fancied that each fleeting moment snatched away a charm. 

- But the doctor's four friends had taught no such lesson to themselves. They resolved forthwith to make a pilgrimage to Florida, and quaff at morning, noon, and night, from the Fountain of Youth.
(CHOOSE ONE)