Which Definition Best Describes a Contaminated Wound

Which definition best describes a contaminated wound?

A) An operative procedure or procedures that enters a colonized viscus or cavity of the body but only under elective and controlled circumstances.
B) Infection rates for these procedures average 4% to 10% and can be improved with specific preventive strategies.
C) Pulmonary resection and gynecologic procedures also involve areas of the body that naturally host contaminants.
D) A wound in which gross contamination is found at the surgical site in the absence of infection