In the poem of the Mother to son, whom is the speaker addressing and about what?

A. a mother is telling a story to her child about her own childhood.

B. a mother is describing for her son the climb up a cystal staircase.

C. a son is recounting a conversation with his mother about his struggle to earn a comfortable living.

D. a mother is warning her son about the diffulties of life and the struggle to persevere.