Answer:
This conversation between Sarah and Stephen is most strongly influenced by Stephen's distraction due to worry about an exam in another class.
Step-by-step explanation:
This distraction may be affecting his ability to focus on the conversation with Sarah and may be causing him to ask her to repeat herself several times. Stephen's state of mind and level of attention are affecting his ability to communicate effectively with Sarah, highlighting the important role that mental states and distractions can play in communication.