7. If Tasha decides to postpone an appointment with Katie, which of the following must be true? Base your answer on the meaning of postpone.
a. Tasha and Katie will meet at an earlier time than they had planned to do.
b. Tasha and Katie will meet at a later time than they had originally agreed.
Tasha and Katie decide to cancel the project they had considered.
d. Tasha and Katie change the agreed place of their appointment.
c.