Your friends are inviting you to a football match at 2 p.m. next Sunday. You have no plan for the day so you want to go with them. You accept their invitation. Which of the following can be your answer? A) I'm sorry but I have to go to my football training on that day. B) It sounds awesome but I have to study for my English exam. C) I have to complete my homework on Sunday morning and then I'll join you. D) Sorry but my football coach is inviting me to picnic on Sunday.