The answer is:
B. The name of the one was Obstinate and the name of the other Pliable. Now, by this time, the man was got a good distance from them; but, however, they were resolved to pursue him, which they did, and in a little time they overtook him.
An allegory is a story, poem or picture that has a hidden meaning, usually moral or political.
In the quote from "The Pilgrim's Progress," by John Bunyan, Christian is followed by Obstinate and Pliable. They intend to bring him back after he leaves his wife and children to save himself, who is overwhelmed by his sin and heads to the "Wicked Gate" for salvation. Finally, Obstinate and Pliable reach him, but he refuses to go back home.