单选题：Dialogue TwoA：We hear so much about exercises these days．So

Dialogue Two
A：We hear so much about exercises these days．So even experts can’t agree on which exercises are best．Now some doctors are strongly encouraging arm exercises．
B：Arm exercises? ____5____
A：Actually that’s not the main reason．They say that arm exercises are a way to become physically healthy．
B：But don’t arm exercises raise your blood pressure?
A：Yes．But the articles I read supply ways to make up for that．
B：How?
A：By adding leg exercises，so that the arms don’t do all the work．
B：____6____
A：Sounds right to me．I quite agree with you．
B：So what exercises do the experts suggest?
A：They mentioned quite a few，but some of the popular ones are cycling with special bicycles that make you use both your arms and legs．
B：____7____ So I’d like to have a try．
A：The same with me．
第5题__________ A．The more leg exercises you do，the better you are．
B．And in turn I’m sure that they’re also a good chance of losing weight．
C．What’s your opinion about this?
D．Is that because our arms are too fat or soft?