Perception is defined as tendency of a person to listen or see something through sensing it which make the person alert.Sensed information is organized in systematic way for interpretation.It makes a person understand the happening.
According to the question, Rachel is able to identify source of pain is bee stung through perception which is given from sensed information or sensations about nature of pain .
This is true. The correct answer is A. You have to know more about how the various aspects of the camera work when you are working with manual mode, because you have to control all of the settings yourself.