Which Statement Is True About the Incidence of Lung Cancer

Which statement is true about the incidence of lung cancer in the United States?

A) It is the most common cause of cancer deaths for men, while breast cancer tops the list for women.
B) Over the past 25 years, the incidence of lung cancer has steadily increased in men.
C) Lung cancer has recently begun to decrease in women after a long period of increase.
D) Although the effects of smoking are not insignificant, most lung cancer deaths are a result of other factors.