Thomas needs to add a sentence to the end of the second paragraph (sentences 5–9) to bring the paragraph to a more effective closing. Which of the following should be added after sentence 9 to help close this paragraph? A The basin is very different from anything I had seen before. B We knew it was wrong to leave trash in the basin. C The basin was a place that deserved to be saved. D I wanted to explore the basin the first time I saw it.