词语填空通读下面的短文， 掌握其大意，然后从各题所给的A,B,C三个选项中选出最佳答案
I am not a brave girl, and even a little mouse scares(惊吓) me.1 I’ve been crazy about bungee jumping(蹦极). One day, I found a good place for this exicing2in Thailand by surfing the Internet. I packed my bag and flew there. However, I had no idea how to get to the address listed on the3. I called them and took a taxi, but the taxi driver didn’t know the way, either. He dropped me halfway.
Having bought some bread, I had to wait for the car that was supposed to pick me up. Just then a young man jumped out of a car and asked if I was Jenny. Then we 4 to the bungee jumping place. I was amazed by the sights along the road through the window of the car.
I quickly signed an agreement which said I I might die, and5 a harness(安全带). The guide led me through a gate, asked me to sit in a special seat and tied my 6and ankles(踝) well。
I was nervous but not scared. As soon as I stood up and felt my ankles7together, I got scared, I walked slowly to the edge(边) of the bridge and looked back. The workers looked at me and couldn't help laughing. At last it was time to go. So I jumped as 8forward as I could.
At that moment my memory seemed to stop. I felt 9 going up, like riding a fast lift, and them another drop and… Finally, I stopped in the air. I spread my arms wide, laughing loudly and 10. The workers pulled me up, smiling at me.
，则b的值是（ ﹡ ）