Due to a Family Emergency, You Will Be Unable to Fulfill

Due to a family emergency, you will be unable to fulfill your contract to cater an upcoming party for your client. The event is several weeks in the future but you know that client is not able to reschedule it. When you contact your client to share this news you should ________.

A) not include an apology, since this emergency was beyond your control
B) expect them to understand, as everyone deals with family issues from time to time
C) inform them that you will be happy to cater the event if they will reschedule it
D) consider first communicating that you might have a problem fulfilling your contract, and then waiting a few days before actually cancelling to try and soften the blow
E) tell the client that you will contact some other catering companies you work with to see if they can take over the job