D. The beauty of the dream vanished, and breathless horror and disgust filled my heart.
Explanation:
The story of "Frankenstein" helps in managing empathy from its readers towards its end. Since the beginning of the story, it is observed that he was completely indulged in creating a life. Frankenstein worked very hard in achieving his goal. It was towards the climax that the creature he made turned out to be monstrous. Frankenstein laments over the dream that he had been seeing his entire life. This creates the audiences' empathy towards the situation of Frankenstein.
Speaker compares the sunlight on the buildings to the light that shines on the countryside, and he seems surprised to feel more at peace in the bustling city than he has anywhere else.