Read the excerpt below. And both that morning equally lay
In leaves no step had trodden black
Oh, I kept the first for another day
Yet knowing how way leads on to way
I doubted if I should ever come back.

In the excerpt above, the underlined phrase communicates the idea that___.

A. The speaker was facing a difficult choice.
B. Neither path had traffic that morning
C. The speaker planned to come back and take the first road.
D. After traveling far in one direction it is easier to keep going.