Answer/ B. Clearly then
Explanation/ Obviously those two sentences are talking about the northern seasons, and in order for something to be long-the other has to shorten it self. “Clearly then” can also in our minds be meant as (so, obviously) just for fun.
Assuming that this is referring to the same passage that was posted before with this question, the correct answer would be "a description of the requirements of a
<span>clergyman's training" since this was mostly left out. </span>
<span>No longer than one or two sentences. If you write more than this, it'll drain out the evidence that supports the main idea. It could also be shorter if possible.</span>