The Number 1,number 2,and Number 3 Leading Causes of Deaths

The number 1,number 2,and number 3 leading causes of deaths in the United States are,respectively:

A) #1 heart disease, #2 lung disease, and #3 cancer.
B) #1 cancer, #2 heart disease, and #3 lung disease.
C) #1 heart disease, #2 cancer, and #3 lung disease.
D) #1 cancer, #2 lung disease, and #3 heart disease.