問答題
What might not happen when a participant in the upright group gave a speech?A. He/she gave a spcech using a happy tone.B. His/her speech made the audience feel uncomfortableC. His/her blood pressure
What might not happen when a participant in the upright group gave a speech?A. He/she gave a spcech using a happy tone.B. His/her speech made the audience feel uncomfortableC. His/her blood pressure