Vignette Donna Is a 22-Year-Old College Student on the Tennis

Multiple Choice

Vignette Donna is a 22-year-old college student on the tennis team. She prides herself on staying in shape but often eats empty-calorie meals when she is in a rush. She knows that some family members have had different kinds of cancer and is curious to find out what steps, if any, she can reduce her risks. She visits a reputable site on the Internet and gleans several useful suggestions that she plans on implementing. Let's see if you agree with her new found information.
Donna read that cruciferous vegetables may reduce the incidence of cancer at several sites. Which vegetable is a cruciferous vegetable?

A) sweet corn
B) green beans
C) carrots
D) cabbage
E) pumpkin