Answer: C) Personification.
Explanation: personification is a figure of speech that consists in giving human characteristics to non human objects (or animals). In the given excerpt from Act III of "Macbeth" by William Shakespeare, we can see examples of personification in the phrases "blood will have blood," "stones have been known to move, and trees to speak," this is personification because it is giving blook, stones, and trees (non human objects) the abilities of having blood, moving, and speaking, respectively (human characteristics).