Julia Is a Student-Teacher at Cloud Nine Daycare Center

Julia is a student-teacher at Cloud Nine Daycare Center. While the children eat their snacks, her co-worker has to change an infant's diaper. Since her co-worker is gone, Julia moves to the edge of the room in order to keep an eye on things. Now Julia can see what's going on, but has no interaction with the children. Julia's behavior is an example of which type of focus?

A) dual focus
B) narrow focus
C) broad focus
D) self-reflective focus