This metaphor compares their mouth to a desert. This means that either his mouth was too dry to say anything, or that no words would come out of his mouth just as their is not much in a sandy desert.
Answer:
I think point D. uses parallel structure .
Sarcasm is an ironic or satirical remark tempered by humor. Mainly, people use it to say the opposite of what's true to make someone look or feel foolish. For example, let's say you see someone struggling to open a door and you ask them, "Do you want help?" If they reply by saying, "No thanks. I'm really enjoying the challenge," you'll know they're being sarcastic. Sarcasm is all about the context and tone of voice, which is why it works better verbally. It's something you'll know when you hear it.
The main idea is basically that anyone, no matter what they're believed to have done, deserves to be considered by a non-biased group of citizens.
