3. 輸卵管的內襯細胞是屬於何種上皮細胞？ (A) 單層立方上皮(simple cuboidal epithelium) (B) 單層纖毛柱狀上皮( ciliated simple columnar epithelium) (C) 偽複層柱狀上皮( pseudostratified columnar epithelium) (D) 角質化複層鱗狀上皮( keratinized stratified squamous epithelium)