The back yard was covered in late afternoon sunlight. the leaves danced in the trees, delighted that spring had finally arrived. the tulips were bright slashes of color like a child's crayon drawing. in the garden, the first green shoots were pushing out of the soil to greet the warmth of the sun. sitting on the porch swing, i drank in the beauty of nature, a delicious treat.

which phrase from the paragraph is an example of a metaphor?

a. delighted that spring had finally arrived
b. in late afternoon sunlight
c. greet the warmth of the sun
d. the beauty of nature, a delicious treat