A Chinese Man in Traditional Chinese Attire Appeared Before His

A Chinese man in traditional Chinese attire appeared before his all-white Midwestern audience without saying a word for three minutes. During that time, he paced back and forth across the auditorium and never broke eye contact with the startled but very silent audience. What purpose could this introduction achieve?

A) to forecast a strategy for organization and development
B) to gain audience attention
C) to reveal the speaker's qualifications
D) to reveal a specific purpose