When asking questions in a request message, you should do which of the following?

A) Begin with the least important question and work your way up to the most important
B) Avoid any open-ended questions
C) Begin with the most important question
D) Weave your questions into the rest of the content of your message
E) Begin by explaining why you want to know the information

C
Explanation: C) Your most important question should always come first, followed by any additional information you might seek. Make sure you include only relevant questions and limit each question to one topic only.