In 1950, There Were 3,000 Centenarians (People 100 Years Old

In 1950, there were 3,000 centenarians (people 100 years old or older) living in the United States. One hundred years later, in 2050, it is predicted that there will be how many centenarians?

A) 30,000
B) 100,000
C) 300,000
D) 1,000,000