Public transportation
A) accounts for 25% of commuters in Chicago but only 10% of total commuters in the US
B) declined from 23 billion trips per year in 1940 to 10 billion in 2006
C) accounts for 60% of commuters in New York City but only 5% of total commuters in the US
D) all of the above
E) none of the above
Answer: B
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