Stepping inside , she slightly brushed Casey 's hand and Casey could feel goose bumps appear on her arm . Slowly , she closed the door , closing her eyes while wishing she could just switch of her feelings when it came to Olivia . She turned around and leaned against the door for a moment , watching her stay in front of the couch , looking at it with an uncertainty that was almost comical .

Question: Why is did she get goosebumps when Olivia brushed her arm ?
Answer: She is in love with Olivia and has a hard time hiding it .She thinks Olivia is going to use her .She is able to turn her feelings off when it comes to Olivia , but not the goosebumps .None of the above choices .