The immediate pressure of necessity has brightened their intellects, enlarged their powers, and hardened their hearts. What does
the phrase "hardened their hearts" imply? The aliens are more clever than kind. The aliens are without mercy. The aliens do not have hearts. The aliens do not have principles.
The author is using a metaphor. This is a figure of speech that makes a comparison between two things that are unrelated but share common characteristics.
The heart is often used in literature as a comparison of emotion or empathy with others, so by saying that "hardened their hearts" the author is implying that they would no show mercy anymore.
The correct answer is: __________________________________________________________ [B]: "The speaker's mental state shifts more and more towards madness." __________________________________________________________
