The answer is B. They are easy to understand.
The utilization of Allegory has started a long time ago as it was simple for the readers and audiences to understand. It uses metaphor to enhance the meaning of the piece. It would be very hard to miss a point of this kind of writing since characters are most of the time pointedly named by the qualities the portray or represent.
There is no passage and answer choices, so it is impossible to answer this question. I apologise.
Shakespeare include the plot event in the act IV of Hamlet in which Horatio reads and reacts to Hamlet's letter about an encounter with pirates because of the reason to establish Horatio's steadfast loyalty to Hamlet. The answer in this question is establish Horatio's steadfast loyalty to Hamlet.
I think it’s c hope this helps :)