It calls attention to similarities between the seasons.
Answer: Option 4.
Explanation:
Parallelism examples are found in literary works as well as in ordinary conversations. This method adds balance and rhythm to sentences, giving ideas a smoother flow and thus persuasiveness, because of the repetition it employs.
It is used to help organize ideas, but also to make the ideas memorable. When a sentence is unintentionally cluttered, unbalanced, or lengthy, this is called faulty parallelism and should be avoided. The usual way to join parallel structures is with the use of coordinating conjunctions such as "and".
