Final answer:
The best statement reflecting therapeutic interaction techniques is one that is open-ended, avoids assumptions, and focuses on the patient's current feelings, which is reflected in statement D.
Step-by-step explanation:
The nurse's statement that best reflects the use of therapeutic interaction techniques is D. "You look upset. Tell me what you are feeling right now." This statement is open-ended, invites the patient to express their feelings, and focuses on the current moment, allowing the nurse to provide immediate support and empathy. It avoids making assumptions, encourages communication, and facilitates a patient-centered approach to care.