The correct answer is B. which is free for all full-time faculty.
Nonrestrictive clauses are often found separated from the rest of the sentence using commas, as is the case here. It means that that clause is not essential for the meaning of the entire sentences, and can thus be deleted without the loss of the meaning.
Answer: imagery
Explanation:there is a lot of imagery with description, and we being readers can see what speaker is describing such as descriptions of splinters, tacks and image of crystal stair, which are specific images that allow us to visualize difficulties of life.
