because the audience would be familiar with them as parables were highly popular then. Also, it being a monk, it is supposed to be a serious story that teaches you something, not a funny or obscene story such as those from the Wife of Bath or the Miller.
D.the poem uses imagery to show the speakers love
If you study over the course of a week, you have a better chance of remembering the material than if you study for a couple hours the night before and cram.
