Final answer:
In the given context, "dwindling" means gradually disappearing (option A), which is shown through phrases describing gradual reduction in the excerpts.
Step-by-step explanation:
The word "dwindling" in the context of the excerpts provided most nearly means gradually disappearing. This can be inferred from the descriptions given, such as the "curtain begins to shut her out" and the "lull and the deadly stillness... passed away on a cool wind." These phrases suggest a gradual reduction or fading of something, aligning with the concept of dwindling. Thus, the correct answer is A) Gradually disappearing.
In the context of the excerpt, the word "dwindling" most nearly means gradually disappearing (option A). The word is used to describe the action of the curtain closing slowly and gradually, shutting out the protagonist from the scene. This suggests a gradual disappearance of the protagonist from the story or situation.