Final answer:
The words 'lovely, dark, and deep' in 'Stopping by Woods on a Snowy Evening' contribute to a respectful tone, creating a sense of beauty and mystery that reflects admiration for the natural scene.
Step-by-step explanation:
In the poem "Stopping by Woods on a Snowy Evening," the words "lovely, dark, and deep" contribute significantly to the poem's overall tone and atmosphere. These words do not evoke a fearful, careless, or nervous tone; rather, they depict the woods as beautiful and inviting yet mysterious and profound. This creates an aesthetic appreciation and a sense of wonder, rather than fear or anxiety. Therefore, the most fitting option is that they give the poem a respectful tone, indicating the speaker's admiration for the natural scene before them. The imagery painted by these three words invites the reader to feel a quiet admiration and contemplative mood, which is a signature of Robert Frost's work.