In the following conversation, which discussion technique does jennifer most clearly show?

daniel:
whoa, what? i thought the point was that he actually was a terrible person. he opens the door and discovers his life is messed up because of the bad choices he made.

anna:
you got some text to back that up?

jennifer:
good call. let's look in the book. [opening book] here's what happens right after he opens the door: "looking into space is like looking into a void. my world is a void. no peace. no drama. just a hollow room with no ceiling, no floor, no walls. this was all i had, and i choked back a sob."
a. asking clarifying questions
b. outlining the discussion plan
c. asking rhetorical questions
d. returning to the text