Which excerpt from Mary Shelley's Frankenstein most clearly indicates Victor's emotional state once he has created life? Choose the best answer.
A: "...the beauty of the dream vanished, and breathless horror and disgust filled my heart."
B: "...I was surprised that... I alone should be reserved to discover so astonishing a secret."
C: "Nor could I consider the magnitude and complexity of my plan as any argument of its impracticability."
D: "When I found so astonishing a power placed within my hands, I hesitated... concerning the manner in which I should employ it."