Which of the Following Statements Is True Regarding the Revision

Which of the following statements is true regarding the revision process?

A) The first draft should be put aside for some time before beginning the revision process.
B) Documents that use electronic media do not need revision as the messages are only stored for a short while.
C) A completed first draft must be revised only if there is a change in the message that needs to be communicated.
D) Communications using short-message tools such as IM and email require no revision at all.
E) Informal messages to internal audiences need as much revision as formal messages do.