Reply to an angry customer

This message arrives. Which AI draft would you send?

• A“I'm sorry, you got the wrong colour and size and then had to wait for an answer. I'll send a blue M today and arrange a free pickup for the red one. You'll have it by Friday.”
• B“We are very busy. Please check your order again, maybe you chose red by mistake.”
• C“Dear valued customer, we sincerely apologise for any inconvenience that may have been caused to you by our service.”