Which of the Following Is an Ineffective Practice with Regard

Multiple Choice

Which of the following is an ineffective practice with regard to creating e-mail messages?

A) Typing the message in all-capital letters
B) Including all the recipients in the blind carbon copy list when mass mailing is necessary
C) Limiting the content in the e-mail to one topic, if possible
D) Mentioning the attachment and your intentions for the attachment in the message itself