单项选择题
A．their papers and application forms B．their papers and degree certificates C．their application forms and diplomas D．their applications and registrations
A．the tellers and the government are contributing together B．the dialect, the low pitches, and the pauses are more revealing C．the hearing and reading both help tell the stories D．the power of watching someone write is more engaging
A．How they were brought to the United States from Africa. B．The release of the collection of recordings. C．What happened 60 years after their emancipation D．Their experiences as slaves and their lives as free men and women.