Which piece of writing is the best example of prose?

A. One day, Rhea gathered up her things and decided never to return. No longer would Ruth and Lester hold her back from her dream of flying fighter jets.

B. MANNY: Watch out!
BROCK: Quit telling me what to do!

C. Eggs
Flour
Milk (2 percent)
Green onions
Cabbage

D. Roses are red, / violets are blue, / grasses are green/ and collect morning dew