单项选择题
Passage 1
Questions 11 and 12 are based on the passage you have just heard.
A woman saw having trouble with her heart, so she went to see a doctor. He was a new doctor, and did not know her. He first asked her some questions, one of which was: "How old are you
"Well, I don’t remember, doctor, but I’ll try to think." The woman thought for a minute and then said: "Yes, I remember now, doctor. When I’m married, I was 18 years old, and my husband was 30, my husband is 60 now, and that’s twice 30. So I’m twice 18. That’s 36, isn’t"
A．18 years o1d.
B．30 years old.
C．36 years old.
D．48 years old.