问题详情

As can be gathered from the passage, people past 100 can be described as the following EXCEPT ______.
A．many of them had lived independently until their early 90s
B．they enjoy better health than people in their 70s
C．their longevity could be attributed to heredity
D．their medical expenditures are surprisingly low请帮忙给出正确答案和分析，谢谢！