Final answer:
Anticipating giving a public speech can stimulate the sympathetic nervous system by triggering the release of stress hormones like cortisol and adrenaline.
Step-by-step explanation:
Anticipating giving a public speech can stimulate the sympathetic nervous system in several ways. One way is by triggering the release of stress hormones like cortisol and adrenaline. These hormones are released in response to a perceived threat or stressor, preparing the body for fight-or-flight responses. The release of adrenaline can increase heart rate, respiration, and alertness, while cortisol can provide a boost of energy. Therefore, the correct answer is c) By triggering the release of stress hormones like cortisol and adrenaline.