The answer is <span>A. Creon continually accuses people of taking money to do evil against him and yet he is the one who is not using any wisdom in this situation.
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You should definitely not type your whole email in all capitals!
Also, you should keep you message brief, this is true: people receive a lot of emails and prefer to read them fast.
I think that the first option is correct (a): Emails don't usually have headings in the text: this would make them too long.