Which of the Following Is TRUE of Abdominal Trauma

Which of the following is TRUE of abdominal trauma?

A) A soft, non-tender, non-distended abdomen with intact bowel sounds reliably rules out hollow organ injury.
B) Due to the vascular nature of abdominopelvic organs, the onset of signs and symptoms is abrupt and severe.
C) A soft, non-tender, non-distended abdomen reliably rules out solid organ injury.
D) A significant amount of blood can accumulate in the abdominal cavity before signs and symptoms of abdominal injury appear.