The retired workers were invited to the company,          surprise,changes had been so great over the years.

A．whose

B．who

C．to whom

D．to whose

急性期脑卒中患者并发症的预防包括（）

A.使用翻身床、气垫床等预防压疮

B.按摩促进血液、淋巴回流，减轻水肿，防止深静脉血栓形成

C.床上被动运动尽快过渡到主动活动，防止呼吸道感染、泌 * * 感染

D.床上被动运动维持肌张力和关节活动度，预防关节挛缩变形

E.上述说法均正确