Read the excerpt from the poem “mother to son” by langston hughes and answer the question that follows.

life for me ain’t been no crystal stair.
it’s had tacks in it,
and splinters,
and boards torn up,
and places with no carpet on the floor—
bare.

which statement best explains the metaphor used in the above lines?
a.
life is not easy.
b.
glass stairs are fragile.
c.
wooden stairs hurt bare feet.
d.
life is full of wonders.