Billy consumed the following foods at lunch: A hamburger with lettuce, tomato, and catsup on a bun; broccoli salad, potato chips, and a glass of iced tea. Later that afternoon Billy began to experience intestinal gas. Which food was most likely responsible for the gas production?
a.
Iced tea
b.
Hamburger meat
c.
Potato chips
d.
Tomato
e.
Broccoli salad