阅读理解。 Mary had some trouble in her head, so she went to see the doctor.  He was a new doctor, and did not know her. So he first asked her some questions. One of the questions was, 'What is your age?' 'Well...' Mary answered, 'I don't quite remember, doctor, but I will try to think.' She thought for a while and then said, 'Yes, I remember now, doctor. When I married, I was twenty-two years old, and my  husband  was  thirty  then. Now he  is sixty, I know, and  that is  twice thirty. And so I am twice twenty-two. That is forty-four, isn't it?' 1. Mary went to see the doctor because ______. A. she had a headache B. she had a fever C. she had caught a cold D. she couldn't think well 2. At first the doctor ______. A. asked her some questions B. examined her carefully C. gave her some medicine D. asked her to have a rest 3. Mary got married when______. A. she was twenty years old B. she was thirty years old C. she was twenty-two years old D. she was forty-four years old 4. Mary ______. A. answered the doctor's questioned at once B. answered the question after thinking for a while C. just kept silent D. refused to tell her age 5. Mary should be ______. A. forty-four B. forty-five C. fifty D. fifty-two