The sentence that uses correct capitalization is:
A. The Old Man and the Sea is often required reading.
Explanation:
1. In this sentence, the title "The Old Man and the Sea" is correctly capitalized with the first letter of each major word capitalized.
2. "Old," "Man," "Sea" are all capitalized as they are important words in the title.
3. The other options either have incorrect capitalization (B and C) or unnecessary capitalization (D), making option A the correct choice in terms of capitalization rules.