An allegory is defined as C. A STORY WITH A LITERAL MEANING AND A SYMBOLIC MEANING.
An allegory is a representation of an abstract or spiritual meaning through concrete or material forms. It is a symbolic narrative like a fable or parable.
You might be confused because choice B. a narrative written specifically to teach a moral or lesson nearly defines an allegory. However, it specifically defines a fable.
Jow will have been standing at the corner for an hour
Stage directions are small lines put into the script (often in italics) that give the reader an idea of potential movement, what's going on in the scene, what other characters may be experiencing or the expression one may see on their faces. That would mean C is the best possible answer here.
B. Is infested with lice
because the lice can was on his bed
