Final answer:
Option D, 'What are you feeling right now as you're telling me what happened last night?' is the best example of an immediacy response as it requires the individual to reflect on and express their current feelings.
Step-by-step explanation:
The best example of an immediacy response among the given options is D. "What are you feeling right now as you're telling me what happened last night?" Immediacy responses are those that address the individual's current feelings or thoughts, requiring them to reflect on and express what they are experiencing in the present moment. This type of response is often utilized in counseling and therapeutic settings to encourage clients to engage with their immediate emotions and thoughts, thus fostering a sense of rapport and understanding between the speaker and the listener.