The answer is all of the above except choice 3.
In a business setting, you never want to use a detached tone. This gives the impression to your colleague/boss/etc. that you don't care and don't really want to be there. It shows that you don't see them as important and don't care about what they have to say. It won't achieve anything for you.
Answer:
Is it worked?
Is there a list of responses to choose from?
Explanation:
um what aree you asking what is the name of the book you are working on
