42.胃食道逆流的病人,食道的鱗狀上皮(squamous epithelium)被腸道柱狀上皮(intestinal-type columnar epithelium)取代,這種變化稱為下列何者?(A)增生(hyperplasia)(B)肥大(hypertrophy)(C)化生(metaplasia)(D)萎縮(atrophy)