Read the poem below and then answer question. mother to son by langston hughes well, son, i'll tell you: 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. but all the time i'se been a-climbin' on, and reachin' landin's, and turnin' corners, and sometimes goin' in the dark where there ain't been no light. so boy, don't you turn back. don't you set down on the steps 'cause you finds it's kinder hard. don't you fall now for i'se still goin', honey, i'se still climbin', and life for me ain't been no crystal stair.
what is the metaphor used in this poem?
O the speaker compares her life to a crystal stair.
O the speaker compares her life to a rugged road.
O the speaker compares her life to darkness.
O the speaker compares her life to a crystal chandelier.