Read the excerpt below and answer the question.

She knows his secret now, the wild, light, slender bird that floats and wavers, and goes back like an arrow

presently to his home in the green world beneath.

Which part of this sentence from "A White Heron" is a simile?

the wild, light, slender bird that floats and wavers

She knows his secret now

goes back like an arrow

in the green world beneath