关于老年人的护理错误的是

A．对用降压药的老人，要防止体位性低血压
B．给老人洗澡时，水温在43～45℃之间
C．老年人应早睡早起，保证每天6小时睡眠和1小时午睡
D．注意补充优质蛋白质
E．每天饮水量保持在1500～2000ml

You can't imagine _____ when they received  these nice Christmas presents.              [      ]

A. how they were excited      

B. how excited they were              

C. how excited were they      

D. they were how excited