which autonomic system is most likely to be dominant while someone is experiencing stress about an upcoming…

Brief Explanations:

The sympathetic nervous system is responsible for the body's "fight - or - flight" response. Stress, such as that from an upcoming job interview, activates this system, increasing heart rate, blood pressure, etc. The peripheral nervous system is a broader category that includes both the autonomic and somatic nervous systems. The somatic nervous system controls voluntary movements. The parasympathetic nervous system is for "rest - and - digest" functions and counteracts the sympathetic system.

Answer:

B. the sympathetic nervous system