Read the following excerpt from The Story of My Life by Helen Keller. Have you ever been at sea in a dense fog, when it seemed as if a tangible white darkness shut you in, and the great ship, tense and anxious, groped her way toward the shore with plummet and sounding-line, and you waited with beating heart for something to happen? I was like that ship before my education beganonly I was without compass or sounding-line, and had no way of knowing how near the harbour was. Light! give me light!" was the wordless cry of my soul

Which aspect of narrative writing does it demonstrate?
A. Dialogue
B. Conclusion
C. Climax
D. Conflict