You received an invitation from your friend, Emily, for her birthday party next Saturday. You cannot attend because you have a family commitment. Which of the following responses is the *most appropriate* to send to Emily?
A) Hi Emily, I'm really sorry, but I can't make it to your party. I have to visit my grandparents that weekend. I hope you have a wonderful time!
B) Hey Emily, thanks for the invite! I'm busy next Saturday, so I won't be there.
C) Emily, I wish I could come, but I have other plans. Maybe another time.
D) Sorry, I don't feel like going to a party next week.