Identifying Parallel Structure in Sentence Syntax

In the following passage, consider the syntax used in the varied sentence structures. Analyze how the arrangement of words impacts the tone and clarity of the sentences.

Passage: When the storm finally subsided, a tentative silence blanketed the town. Children, who had previously been confined indoors, cautiously emerged to explore the aftermath. However, the remnants of the tempest were evident in scattered debris and standing water.

Which of the following sentences demonstrates an example of parallel structure, enhancing the rhythm of the passage?