Choose the best topic sentence for the passage. It used to be unusual to live to the age of 90. Better diet and medicine have made 90 a more common age. Today, some people even live to be well over 100.

A. It used to be unusual to live to the age of 90.
B. People can live a long time.
C. Today, some people even live to be well over 100.
D. People are living longer than ever. Click the button to submit your answer.