The sentence that uses correct capitalization is: Have you ever read Shel Silverstein's poem "Where The Sidewalk Ends"? The correct answer is option C. The words that begin with a capital letter in this sentence are proper nouns. Proper nouns are specific names of a person, thing, place or event. In this sentence, "Shel Silverstein" is a specific name of a person. The phrase that is enclosed in quotation marks is a title of a poem. Therefore, the words should with a capital letter.