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. Greet the warmth of the sun
C. In late afternoon sunlight
D. The beauty of nature, a delicious treat