Five men and three women make up the temporary group to look into the case. In other

words，it _____ eight people. [ ]

A. consists of

B. is consisted of

C. is consisting of

D. is being consisted of

男，35岁，右膝关节内侧疼痛，肿胀半年，曾在外院摄X线片，见右胫骨上端内侧有一5cm×4cm大小透光区，中间有肥皂泡沫阴影，骨端膨大。近1个月来肿胀明显加重，夜间疼痛难忍，右膝关节活动受限。入院后X线摄片示胫骨上端病变扩大，肥皂泡沫阴影消失，呈云雾状阴影，病变侵入软组织。下列治疗措施哪项最合适（）

A.病灶刮除+植骨

B.病灶刮除+骨水泥填充

C.广泛切除+大块骨或假体植入

D.截肢

E.放射治疗或化疗