6. AIDS 的患者,容易在口腔內發現下列何項惡性腫瘤?(A)多發性骨髓瘤 (Multiple Myeloma)(B)急性骨髓性白血病 (Acute Myeloid Leukemia)(C)霍奇金氏淋巴瘤 (Hodgkin’s Lymphoma)(D)卡波西氏肉瘤 (Kaposi’s Sarcoma)