Exemplar basically means a typical example, or model, of a concept or role. However the meaning can be extended to mean he best example of a concept or role. For instance, someone might say that you are an exemplar student, which can mean that you are a great example, or model, of a student.
Are those even real words??
I think it might be D), but im unsure. It just seams to fit the theme of how <span>Nick said "</span>The fact that gossip had published the banns was one of the reasons I had come East."
One challenge when writing your thoughts as opposed to speaking them is that: C. You have to be more formal. In order to your writing make sense to the reader (even if the reader is you), you need to be more formal, organized, and create a development over time. To clarify your thoughts and ideas on the paper.
To descend down with a rope. Usually down the side of a mountain.