Which best explains this excerpt's purpose in the novel's plot structure? The excerpt provides a solution to the key problem as part of the resolution. The excerpt is the point of greatest tension and acts as the climax. The excerpt builds suspense and creates tension as part of the rising action. The excerpt takes place after the climax as part of the falling action.

The excerpt builds suspense and creates tension as part of the rising action.

Explanation:

Kate Chopin's novel "The Awakening" revolves around the character of Edna Pontellier and her struggle to get 'sexual' as well as personal awakening amidst the American south. The book deals with themes of self realization, acceptance, while also conflicting interests, positing the character even against her society and friends.

In the given excerpt from Chapter VIII, Adele Ratignolle implored Robert to leave "Mrs. Pontellier alone" which infuriated him. This scene between the two where things get serious and heated builds suspense as the story unfolds. It also creates tension as part of the rising action.

Thus, the correct answer is the third option.