5. 壞死性涎腺變生(Necrotizing Sialometaplasia)最好發的位置為下列何處?(A)腮腺 (Parotid Gland)(B)頷下腺 (Submandibular Gland)(C)舌下腺 (Sublingual Gland)(D)小唾液腺 (Minor Salivary Gland)