单项选择题

Questions 167-169 refer to the following schedule.
Welcome to the Twentieth Annual State Nursing Convention
Date: October 17 & 18, 2007 (Friday & Saturday)
Location: University of Alabama at Birmingham

This promises to be our biggest convention yet, with over 800 members in attendance.
Time Event Location
10 A. M. Welcome by mayor John Law Great Hall
11 A. M. Keynote address by Dr. Greg Watson:The Statewide Shortage of Nurses Crystal Ballroom
12PM. Discussion panel by Carl Moore and David Miller:The Recent Developments in Cardiac Treatment Grand Ballroom
1 P. M. Bylaws meeting Regent Ballroom
2 P. M. Election of the officers Exhibit Hall

What is the topic of the panel discussion

A. The development of the medical device
B. Opening a new hospital
C. Results of an election
D. A new medical technique