<span>If I understand you correctly, you are talking about the fourth act of play by George Bernard Shaw. In that case, even though you didn’t attach the options to give you the right answer, I have the correct one. I am pretty sure that the most likely reason Liza is making such a big deal about finding out what is properly hers is that she is making it clear that she intends to reclaim her independence. Do hope you still need it because it will definitely help you.</span>
Unethical, musician, antibody.
These are just prefixes and suffixes that match your descriptions.
Before is the correct answer
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.