Read this sentence from the passage. 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?

Why does Keller include this sentence in describing her feelings in the moments before meeting Sullivan?

It suggests that Keller knew what to expect from her initial encounter with Sullivan.

It explains why Keller is unresponsive when she first meets Sullivan.

It foreshadows the challenging days ahead as Sullivan tries to overcome Keller's resistance.

It emphasizes the profound difference that Sullivan makes in Keller’s life moving forward.