Read these lines from “The Song of Wandering Aengus.”

It had become a glimmering girl
With apple blossom in her hair
Who called me by my name and ran
And faded through the brightening air.

How does this incident move the action of the poem forward?

A. It resolves the major conflict of the poem: the speaker has been reunited with his long-lost love.

B. It establishes that the speaker is dreaming of a girl who never really existed.

C. It establishes that the speaker is unreliable.

D. It sets up the major conflict of the poem: the speaker will devote his life to finding this beautiful but elusive girl.