3.如圖所示之皮膚腫瘤是？(A)棘細胞癌 (squamous cell carcinoma)(B)基底細胞癌 (basal cell carcinoma)(C)波文氏症 (Bowen's disease)(D)惡性黑素瘤 (malignant melanoma)(E)血管肉瘤 (angiosarcoma)