Read the excerpt below and answer the question.

she dwelt among the untrodden ways beside the springs of dove, a maid whom there were none to praise and very few to love: a violet by a mossy stone half hidden from the eye! --fair as a star, when only one is shining in the sky. she lived unknown, and few could know when lucy ceased to be; but she is in her grave, and, oh, the difference to me! (wordsworth, "she dwelt among the untrodden ways")

what is implied by the use of the adjective untrodden?

the maid walked softly.

the maid lived among nature.

the maid was a nature spirit.

the maid lived a secret, hidden life.