It's either internal or psychological
Answer: 3. <em>Interpretation-Evaluation. </em>Jamie concludes that Sarah is mad at her.
Perception is the process by which humans are made aware of their world. It consists of five stages: stimulation, organization, interpretation-evaluation, memory and recall.
This is an example of interpretation-evaluation, as this stage consists on comparing a stimuli with one's past experiences, and giving it a meaning through that process. In the example, Jamie has had experience with people being angry at her, maybe even Sarah. Based on her expectations of how someone behaves when mad, she concludes Sarah must be mad too because Sarah's behaviour matches Jamie's preconceived notions.
3. Establish a purpose for reading.
You are explaining why (the purpose) you are reading the book (for your enjoyment)
(C) it shows how much opposition has he Freedom Riders faced in the south.