It is a metaphor because the sentence is comparing two different things without using the word "as" or "like".
This would be Professional. This person does not show any sign of aggression or anger in this passage. This person isn't using the passage in a funny or sarcastic way and brought up the fact that they would like to work with the company in the future. He told the company he appreciated the time they gave him making this very professional.
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Answer: No, it is not a run-on sentence</h3>
This is one full thought that doesn't run on for too long. The "overcome with joy" portion is the dependent clause that needs the other part "Mrs. Monroe told her husband the exciting news about her promotion" which is the independent clause. The independent clause could be its own sentence without the dependent clause, but not the other way around.
C?? not sure what the question marks are
She might have told the king about the danger to the baby