14. 下列何者為一良性不痛、生長緩慢之腫瘤,且其上皮會有偽性上皮增生(pseudoepitheliomatous hyperplasia) :(A)鱗狀細胞癌(B)乳頭狀瘤(papilloma)(C)橫紋肌瘤(rhabdomyoma)(D)顆粒細胞瘤(granular cell tumor)