Which of the Following Is True About Emoticons and Shorthand

Multiple Choice

Which of the following is true about emoticons and shorthand abbreviations in email messages?

A) Emoticons and shorthand abbreviations are generally appropriate in email to external parties.
B) Abbreviations should never be used because they cause confusion for the reader.
C) Using an emoticon to show pleasure or sarcasm is at times appropriate to make the message clearer to the receiver.
D) None of the above is true.