<span>A. "warm yourself by this fire, / rest by this fire, and make you feel safe". that sounds the most comforting, right?
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B. Relief
The friends will obviously be relieved that they have found each other
Google will help you a lot if you research
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.
