The irony is that Frank was told that a man writes her books.
<h3>What is Irony?</h3>
Irony serves as literary tool that tell us what is going on in a situation but it is been expressed in a way such as it looks contrary to main action.
Therefore, Irony always express amusement , especially in the excerpt, hence option A is correct.
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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.
C, Dr. Anderson asked, "When is the awards ceremony going to begin?"