Speaker A: I"d like to make an appointment with th

单项选择题

Speaker A: I"d like to make an appointment with the doctor for tomorrow.
Speaker B: ______. The only time available to him is the day after tomorrow.

A．Unfortunately, he is completely booked
B．Unfortunately, he is totally taken away
C．He is unhappy to be totally booked
D．The doctor"s schedule is unfortunate