A century ago, how many lived to, or past 100, within a population of 5 million

A．tells us that he was always ready to help others
B．indicates that he was an incompetent doctor
C．reveals that he was very proud of his degree
D．shows that he could be playful sometimes

A．focused on his accomplishments as a statesman
B．talked about his family life
C．explored the little-known aspects of the person
D．looked at him from a fresh perspective