Please Read the Clinical Scenario, and Then Answer the Question

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
A 3-year-old patient is admitted to the ER after a sudden onset of high fever and chills, a productive cough, and shortness of breath. The parents indicate that the child had been healthy up until a few hours ago. An initial workup of the child shows an elevated temperature (103oF) , a rapid pulse rate (140 bpm) , and a low oxygen saturation level (82%) . Supplemental oxygen and acetaminophen are administered immediately, and specimens are obtained from the patient for microbial analysis.
-You head back to the patient's room to inform the family of the child's condition.In educating the parents about the pathogen,which of the following statements would you use to correctly describe the medical importance of a bacterial capsule?

A) A capsule is less dense and thick,and bound more loosely to a cell than a slime layer.
B) A capsule allows for the production of dry,wrinkly colonies when encapsulated bacteria are grown on solid agar.
C) A capsule decreases a bacterium's pathogenicity.
D) A capsule can protect a bacterium from the phagocytic activities of white blood cells,enhancing its ability to cause disease.