Just Before Ellen Goes to Bed at 11:00 P

Just before Ellen goes to bed at 11:00 p.m. ,she realizes that she forgot to confirm a meeting she is supposed to attend the following day.She texts her colleague the following message: "Hi,it's Ellen.Are we still on tomorrow at 3:00?" What should she have done differently?

A) not bothered to include her name in the message
B) waited to send the text right after she arrived at the office the next day
C) included a frowning face emoticon to apologize for forgetting
D) made a humorous comment about having a memory like a sieve
E) turned off her sound alerts so she will not be awakened if her colleague answers