Which of the Following Introductions Should Stan Use When He

Multiple Choice

Which of the following introductions should Stan use when he is emailing the employees he manages?

A) We appreciate your leadership and effective management you have demonstrated to all employees, and this message is to communicate to you that there has been some company policy updates regarding mobile phone usage in the office.
B) Hi team. I want to first thank you so much for your hard work and dedication to the project. I know you may need to take brief breaks throughout the day, but there have been some company policy updates that I wanted you to be aware of regarding mobile phone usage at work.
C) Hello all. Thank you so much for your support and collaboration at work. It is a pleasure to work with you. I wanted to provide this company policy update regarding mobile phone usage in the office. It is something we all need to be aware of.
D) All of the above will be fine.