IV. Circle A, B, C, or D to indicate the sentence that is closest in meaning to the sentence given.Câu hỏi Teenagers join the Teen Line forum as they enjoy chatting with other teens. A. Teenagers join the Teen Line forum, so they enjoy chatting with other teens. B. Teenagers join the Teen Line forum although they enjoy chatting with other teens. C. Teenagers join the Teen Line forum, but they enjoy chatting with other teens. D. Teenagers join the Teen Line forum because they enjoy chatting with other teens.