This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Primary feature of small intestinal obstruction - 
Select and explain. 
A. Fever, B. High peristalsis with colic, C. Abdominal distension, D. Empty rectum
B: High peristalsis with colic
Answer: B: High peristalsis with colic 
Explanation: None