How do paragraphs 9–13 contribute to the theme of this excerpt? A. by describing an example of how Laurie overcame fear
B. by including Laurie's decision to use old handrail ropes with new anchors\
C. by illustrating Laurie and Bill's relationship
D. by using facts to show why Laurie was afraid

9 Then I stopped. Did you give that your best? I asked myself. Yes, I thought. But then I asked, did you give it more than your best?
10 No, I had to answer. More than my best was to go back and jump from the ladder to the far side. I knew the impossible is often the untried. I couldn't leave without trying, so back I went.
11 I decided to use the handrail ropes that were still there, adding new anchors and Petzl ascenders pointing both forward and back. I figured I had a fifty-fifty chance of making it across.
12 The ladder bobbed up and down as I edged my way out. At the end of the ladder, I focused all my concentration—and jumped.
13 Thwack! My ice pick bit into the ice on the lip of the crevasse. It held. I dug my crampons into the icy wall and used all my strength to pull myself up.