A、Sliding over the stairs. B、Straightening his spine. C、Bending his knee too hard. D、Lifting heavy loads in the wrong way. D女士讲到

W: Well, Mr. Jason. There is a nerve running behind your knee and your hip and through your spine.
M: Ehr.
W: When you lift your leg, that nerve should fly in and out of your spine quite freely. But with your leg, the nerve won’t fly very far. When you lift it, the nerve is trapped and it’s very sour. When I bend your knee, that takes the tension off and eases the pain. If we straighten it, the nerve goes tight and it’s painful.
M: Ay!
W: Now, what’s trapping the nerve? Well, your MRI scan confirms that you got a damaged disc in the lower part of your back.
M: Oh, I see.
W: The disc is a little pat of gristle which lies between the bones in your spine. Now, if you lift heavily in a wrong way, you can damage it. And that is what happened to you. You damaged a disc. It’s pressing on the nerve in your spine so that it can’t fly freely. And that’s the cause of the pain you’ve been having.
M: Aha.
W: Now, we are going to try to solve the problem first of all with bed rest to let the disk get back to normal and with drugs to take away pain and help the disc to recover. We’ll also give you some physiotherapy to ease your leg and back. I can’t promise that this will be entirely successful. And we may have to consider an operation at a later date.
26. What does the woman most probably do?
27. What is the woman doing now?
28. What caused the damages to the man’s health?
29. What is the location of the damaged disc?
30. Which of the following is not mentioned as a piece of advice given by the woman?