31. 關於diarrhea 以下何者敘述錯誤？ (A) 依據pathogenesis 可區分為osmotic 及secretory 兩個主要type (B) Ingestion of poorly absorbed cations and anions or poorly absorbed sugars (C) The most common cause of secretory diarrhea is infection (D) Slow intestinal transit may lead to a secretory diarrhea by promoting SIBO (E) Peptides produced by endocrine tumors (e.g., vasoactive intestinal peptide)