Yes, if I did B, I might even say something like “I’m not sure what you mean” (though not in those words, but others might), but what I mean is I’m not sure what your intentions are in asking, and I am way more interested in that than guessing about baguettes. The mismatch in interest is so acute that if you don’t answer my question I don’t think it would be especially mean of me to decline to answer yours.
Yes, if I did B, I might even say something like “I’m not sure what you mean” (though not in those words, but others might), but what I mean is I’m not sure what your intentions are in asking, and I am way more interested in that than guessing about baguettes. The mismatch in interest is so acute that if you don’t answer my question I don’t think it would be especially mean of me to decline to answer yours.