After Hearing a Loud Noise in Her Apartment, Katie Was

After hearing a loud noise in her apartment, Katie was in an alert state. When she entered her bedroom, she was relieved to see that her cat had knocked some books onto the floor. Which brain area would have been actively involved in Katie's conscious awareness of her cat?

A) primary visual cortex
B) primary auditory cortex
C) parietal cortex
D) pons