Final answer:
The nurse should tell the interrupting patient, 'This session is 5 more minutes, then I will talk with you.'
Step-by-step explanation:
The nurse should choose option b. tell the interrupting patient, 'This session is 5 more minutes, then I will talk with you.' This response acknowledges the interrupting patient's need to talk, but also sets boundaries and prioritizes the current patient. It is important for the nurse to respect the time and needs of each patient.