―How are things going?

―The disabled _______ no relatives in Guangzhou _______ by the volunteers, who will graduate from Zhongshan University next year.

A．with; are taking care of

B．have; will be taken care of

C．with; are being taken care of

D．have; are being taken care of

患者，女性，60岁，确诊右乳腺癌并行右乳腺癌改良根治术后2个月余，自觉右上肢肿痛，活动受限，查体：生命征稳定，右乳缺如，右胸壁和腋窝可见手术瘢痕，右上肢中度非凹陷性水肿，右上肢抬高受限。

患者出现上述症状体征的主要原因是（）

A.乳腺癌转移

B.手术损伤局部神经及淋巴管

C.肾疾病

D.营养不良

E.内分泌代谢疾病