Final answer:
Fiona McPherson is open and honest about her experience, while Jan Arnold is more reserved and guarded when talking to Krakauer about what happened on the mountain.
Step-by-step explanation:
When talking to Krakauer about what happened on the mountain, Fiona McPherson and Jan Arnold have different reactions.
Fiona McPherson is open and honest about her experience. She shares her feelings and emotions, providing a detailed account of what she went through on the mountain. In contrast, Jan Arnold is more reserved and guarded. She is hesitant to talk about what happened and is reluctant to share her personal experiences. She may not want to relive the traumatic event or be uncomfortable discussing it.
Their different reactions demonstrate that people can have varied responses to traumatic experiences, and some may be more open to discussing their experiences than others.