question: Q:A 4-year-old boy is brought into your office by his parents who state that the boy has been noncompliant with his toilet training and passes stools every 4 days. They describe his stool as hard pellets. They deny any problems during pregnancy and state that he was born at a weight of 7 lbs and 10 oz. They state that he remained in the hospital for one day after his delivery. Since then, he has not had any problems and was exclusively breast fed for the first six months of his life. On physical exam, there is a shallow tear in the posterior verge of his anus. Which of the following is the best treatment?? 
  {'A': 'Colonoscopy', 'B': 'Proctoscopy', 'C': 'Fiber supplementation', 'D': 'Laxatives and stool softeners', 'E': 'Sigmoidoscopy and biopsy'},