Which of the Following Is the Most Current Treatment for Hirschsprung's

Which of the following is the most current treatment for Hirschsprung's disease?

A) a two-stage surgery using first a temporary colostomy to provide bowel rest and second a pull-through procedure
B) a one-stage pull-through without a temporary colostomy
C) the laparoscopic-assisted pull-through procedure with anal entry thus eliminating major abdominal surgery
D) a laser surgery that is done on an outpatient basis and requires no incision at all