It was at the crossroads ________ I met one of my classmates _______ I had not seen for ages.

A．where, that

B．where, which

C．that, that

D．that, which

男性，50岁，左腮腺区无痛性肿块数年。镜下见肿瘤由上皮和淋巴样组织组成，上皮成分形成不规则囊腔，细胞排列成假复层，间质中淋巴细胞密集，并形成淋巴滤泡。病理诊断为（）

A.多形性腺瘤

B.肌上皮瘤

C.基底细胞腺瘤

D.嗜酸性腺瘤

E.腺淋巴瘤