The sentence that correctly integrates the quoted information is sentence 4 (C).
First, it is important to remember that you can not have a quote be the only thing in your sentence. In needs some sort of introduction or your own words at some point in the sentence. You also need to remember to quote the text. There are different ways to do this in MLA form, you can put the author and page number in parenthesis at the end of the sentence (see sentence 2) or you can include the author's name in the sentence and put the page number in parenthesis at the end (see sentence 4). Since sentence 4, is more than just a quote and includes correct citations, it correctly integrates the quoted information.
For a topic sentence, or the beginning sentence that signifies the main idea of the paragraph, you could focus on the fact that there are a variety of things to do at the beach (perhaps the 3rd sentence). To create a hook, or an eye-catching sentence, you can use the childhood memory of learning to swim, but perhaps in more detail. In other words, recreate the scene rather than just saying it was a happy memory (i.e. I'm five years old and am amazed by how weightless I feel in the water). Once you create the hook and topic sentence, you can talk about other activities at the beach as your supporting evidence.
“Ghetto “ “drug dealers” “dangerous “