Read “in a station of the metro,” by ezra pound. the apparition of these faces in the crowd; petals on a wet, black bough. which best describes the metaphor conveyed in the poem?

The underlying metaphor is that people are beautiful and gentle like flowers who are on a wet black bough. It was even stated by Ezra Pound himself that he was intoxicated by that picture and wanted to present the beauty of it as simply as possible.