It is good that Emily does not remember being a newborn, because she was miserable, vomiting very often. An X-ray reveale hypertrophic pyloric stenosis. The problem in Emily's digestive system, before surgery helped her, was
A. an extra stomach.
B. overgrowth of muscle that blocked the pyloric canal.
C. absence of the pyloris.
D. an inverted plyloris.
E. a peptic ulcer.