Question #N1166

The following excerpt is taken from a travel blog about the best time to visit a region of the world. "The best time to visit the region is during the shoulder seasons - spring and autumn. Shoulder seasons are a time of transition between peak season and off-season. During shoulder seasons, the region's weather is pleasant and the crowds are smaller, making for a more enjoyable experience." What is the most likely reason why the writer uses a hyphen between "shoulder" and "seasons"?

In the excerpt, the hyphen between "shoulder" and "seasons" is used to
A. indicate that the two words are functioning as a compound adjective.
B. separate two clauses that are closely related.
C. emphasize the importance of the shoulder seasons.
D. create a sense of rhythm and flow in the sentence.