阅读理解. Old John went to see a doctor . The doctor looked over him and said , 'Medicine can't help you. You must have a good rest. Go to a quiet place for a month , go to bed early , drink some milk , walk a lot and smoke one cigar(雪茄) a day '. 'Thank you very much,' said old John . 'I can do everything you said.' A month later old John came to the doctor's office again. 'Well,' said the doctor, 'I'm glad to see you. You look much younger.' 'Oh, doctor ,' said old John , 'I feel quite well now. I had a good rest.  I went to bed early.  I drank a lot of milk, and I walked a lot. Your advice certainly helped me . But you asked me to smoke one cigar a day, and the one cigar a day nearly killed me at first. It's no joke to start smoking at my age. ' 1. The doctor ______ . A. asked him to take some medicine B. asked him not to take any medicine C. didn't say any words about medicine C. gave him some medicine 2. Old John ______ after a month . A. didn't get well B. got better C. was young D. was old 3. When old John was back , he looked ______ . A. young B. old C. younger D. older 4. Which of the following statements is true? A. Old John smoked before. B. Old John hadn't smoked before C. Old John didn't smoke one cigar a day D. Old John smoked less than before 5. The best title of this passage should be ______ . A. Old John B. Old John Is ill C. The Doctor's Advice D. The Doctor