The passage below (lines 3-5) adds to the development of the poem mainly by-
"It was bare and bright, and smelled like a stable-
But we looked into a fire, we leaned across a table,
We lay on a hill-top underneath the moon."
A. showing that the friends shared a collective hallucination
B. suggesting that the friends have vibrant imaginations
C. explaining that the friends were distracted by the ferry's smell
D. suggesting that the friends' favorite activity is playing make-believe