Which of the Following Is True of Smoking and Tobacco

Which of the following is true of smoking and tobacco usage?

A) Tobacco is the number-one cause of preventable disease and death in the United States.
B) About 20% of men and 35% of women who die of lung cancer are smokers.
C) The smoking rate in the United States was on the rise between 2000 and 2005 but has since stalled at about 35%.
D) Older men are the fastest-growing population of new smokers.