Respuesta :
Answer: C) the idea of people living freely.
Explanation: a metaphor is a figure of speech that consists in making a direct comparison between elements that aren't obviously related, in order to create an image in the reader's mind. In the given excerpt from Langston Hughes’s poem "Freedom's Plow" we can see an example of an extended metaphor, comparing history with a field, in this metaphor the seed represent the idea of people living freely ("Into that furrow the freedom seed was dropped", "From that seed a tree grew, is growing, will ever grow").