The speaker of Childe Harold's Pilgrimage admire the ocean because the ocean is unchanged by human activities.
Answer: Option D.
Step-by-step explanation:
'Childe Harold's Pilgrimage' is a beautiful poem written by Lord Byron which describes the journey of a man who travels in foreign lands away from his melancholy life. On his way, the poet mentions various picturesque lands, describes the beauty of nature, and he admires the pleasing ocean and how it remains unchanged despite all the human activities. The ocean teaches the speaker its vastness and how small human beings are in front of nature's beauty and its vastness.