Which of the Following Is the Best Advice for Using

Multiple Choice

Which of the following is the best advice for using business e-mail?

A) If your e-mail message covers several topics, it's acceptable to leave the subject line blank.
B) If your message is extremely important, write it in all capital letters.
C) Because e-mail is casual communication, you don't have to worry about the tone you use.
D) Assume that all workplace e-mail is monitored.