单选题 I've told you ______ fire.
A. don't play B. don't play with C. not to play with

【正确答案】 C

【答案解析】[解析] tell sb．to do sth．表示“叫某人做某事”；tell sb．not to do sth．意为“告诉某人不要做某事”。不定式的否定形式是not to do sth．。play　with sth．意为“拿某物玩”。