单项选择题

Questions 28 to 30 are based on the passage you have just heard.

A.Wednesday, June 7, at 6:30 p.m.
B.Wednesday, June 30, at 7:00 p.m.
C.Monday, June 10, at 9:00 a.m.
D.Friday, June 14, at 7:00 p.m.