Final answer:
Mark's reminiscence of his son's comments while in traffic are best categorized as Positive automatic thoughts, which are spontaneous and bring comfort, differing from intrusive, repetitive, or dysfunctional thoughts. the correct option is c) Positive automatic thoughts.
Step-by-step explanation:
As Mark was distressed about sitting in traffic:
The best label for Mark's thoughts of his child as he sits in traffic would be c) Positive automatic thoughts. Positive automatic thoughts are those that come spontaneously and often bring a sense of pleasure or comfort. Unlike intrusive thoughts that often come unexpectedly and can be distressing, or repetitive thoughts that might be bothersome because of their persistent nature, positive automatic thoughts are usually welcome and uplifting.
Dysfunctional thoughts, on the other hand, are the negative beliefs and attitudes one might hold about themselves, others, or the world, leading to distress or poor mental health outcomes. Mark's thoughts about his son's adorable comments are a natural, comforting distraction from his distress over sitting in traffic.