question: Q:Intestinal motility is a complex process, orchestrated by nerves, hormones and the presence of food in the stomach. Which statement about this process is correct?
  ? 
  A:The migrating motor complex is chiefly responsible for peristaltic movement of food after a meal has been consumed;B:The release of insulin after eating a meal will slow the emptying of the stomach;C:At the start of a meal, the stomach increases its "tone" in order to develop pressure which will lead to expulsion of its contents, via the pylorus;D:The presence of partially digested fat and starch in the duodenum, slows intestinal motility