A、She was sure Andrew was joking. B、She had never heard about it. C、She thought it totally impossible. D、It had never been menti

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问题  
Jane: Andrew, How’s your toothache?
Andrew: It’s gone, thanks, Jane. I went to the dentist last night and he took care of it.
Jane: Which tooth was it.
Andrew: The last one on the upper fight-hand side. It has a huge filling in it now.
Jane: I hate having my teeth filled. It’s not just the pain I hate. I hate the sound of drilling.
Andrew: So do 1. I’d rather have a tooth pulled than filled.
Jane: Have you ever had one of your teeth pulled?
Andrew: No, but the one the dentist just filled will have to come out someday. He says it can’t be filled again.
Jane: Teeth keep causing trouble, and nobody really does anything about it. I can’t understand why.
Andrew: They can put men on the moon, but they can’t keep people from having trouble with teeth.
Jane: Why can’t they transplant teeth the way they transplant hearts? They can give somebody a different heart. Why can’t they give him different teeth?
Andrew: I’ve heard they’re working on that My dentist says they’re working on tooth transplants fight now.
Jane: On second thought, I’m not sure I’d want to eat with some other person’s teeth.
Andrew: Well, that’s not how it works. The idea is to develop a plastic tooth that can be put into the hole where your own tooth came out.
Jane: Really? What makes it stay there?
Andrew: So far they haven’t tried it with people, but they’ve made it work with baboons.
Jane: Do they hook the plastic tooth to the teeth beside it.
Andrew: No. The plastic tooth is made with plastic roots, and after a while the gums grow around the roots, so the tooth can’t fallout.
Jane: Am you making this up?
Andrew: No! Seriously, somebody at the Georgetown University Hospital in Washington has been working on it.
Jane: Well, it sounds like a good idea.

选项 A、She was sure Andrew was joking.
B、She had never heard about it.
C、She thought it totally impossible.
D、It had never been mentioned anywhere.

答案C

解析
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