Billy Consumed the Following Foods at Lunch: a Hamburger with Lettuce

Multiple Choice

Billy consumed the following foods at lunch: A hamburger with lettuce, tomato, and catsup on a bun; potato salad; and a diet carbonated beverage.Later that afternoon Billy began to experience gas.Which of the following foods was most likely to be responsible for production of the gas?

A) hamburger meat
B) tomato
C) potato salad
D) diet carbonated beverage