500
Which sentence is punctuated correctly?
A. After being interrupted for the third time, the teacher said, "Micah: you now have to go to the principal's office."
B. After being interrupted for the third time, the teacher said, "Micah! you now have to go to the principal's office."
C. After being interrupted for the third time, the teacher said, "Micah you now have to go to the principal's office."
D. After being interrupted for the third time, the teacher said, "Micah, you now have to go to the principal's office."
D. After being interrupted for the third time, the teacher said, "Micah, you now have to go to the principal's office."