You are hindered while trying to listen to a lecture by a series of interferences. First, a cell phone belonging to someone sitting near you rings several times loudly, drowning out a few sentences of the speaker's words. Second, your cell phone vibrates in your pocket, and you read and respond to a text message. Third, another text message arrives, it is upsetting, and you begin to worry and think about what you just read. Which answer lists the barriers to effective listening that occur in this scenario, in order of appearance?

A. physiological noise, preoccupation, message overload
B. psychological noise, preoccupation, egocentrism
C. Message overload, egocentrism, physiological noise
D. environmental noise, message overload, preoccupation