Listen to the following conversation:
Student: "I really enjoyed the guest lecture today. The topic was fascinating, and the speaker had such an engaging way of presenting. I felt like I learned a lot!"
Friend: "Yeah, I noticed that! You were really paying attention. What stood out to you?"
Student: "Definitely the part about renewable energy solutions. It was refreshing to hear about practical steps we can take today. Plus, the speaker made it sound so hopeful, like we really can make a difference."
Note: This question has been adapted from its original format to accommodate a reading-based version. In the official TOEFL exam, speaking and listening sections require verbal responses and audio prompts, which are not represented here. Please note that this adaptation may not fully reflect the nature or difficulty of the official exam. The audio feature for these sections will be available soon.