Read this excerpt from "Street Cleaning Day.”

And now there was plenty
of space for Square to park.
Everyone stood amazed
at what they’d unleashed
in themselves.
"Thanks for making a space
for me,” said Square.
"That’s what neighbors do,”
said Circle.
Which part of the poem does this excerpt show?
A. the exposition
B. the rising action
C. the falling action
D. the resolution