Which of the Following Statements About the Organization of a Message

Which of the following statements about the organization of a message is true?

A) Formal or academic messages do not need strong opening or closing sections, the audience only notices the middle portion.
B) The beginning and end of messages have the greatest impact on the audience and hence should receive the most attention during revision.
C) The subject and purpose of the message should be confined to the middle portion, while the conclusion should help readers understand how the message is organized.
D) The middle portion of the message contains the main idea and argument, and hence has the greatest impact on the audience.
E) The end of the message should convey the subject and purpose of the message, while the beginning of the message has the least impact on the audience.