A heavily built, middle-aged man running down a flight of stone steps misjudged the position of one

A heavily built, middle-aged man running down a flight of stone steps misjudged the position of one of the steps and fell suddenly onto his buttocks. Following the fall, he complained of severe bruising of the area of the cleft between the buttocks and persistent pain in this area. The following statements concerning the patient are correct except which？

A.The lower end of the vertebral column was traumatized by the stone step

B.The coccyx can be palpated beneath the skin in the natal cleft

C.The anterior surface of the coccyx can not be felt clinically

D.The coccyx is usually severely bruised or fractured

E.The pain is felt in the distribution of dermatomes S4 and S5

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