Questions 11～13 are based on the following dialogue between an employer and an employee. How old is Katie

A．From 8:30 a.m. to 8:30 p.m.
B．From9:30 a.m. to6:30 p.m.
C．From8:30 a.m. to6:30 p.m.
D．From9:30a. m. to3:30p, m.

A．Because she wants to meet him on Wednesday.
B．Because she has to go out of town.
C．Because she is in charge of the project.
D．Because she has another meeting.