— Are these _____ photos?

— No. They are _____. [ ]

A. your; my father's

B. yours; my fathers'

C. your; of my father

C. yours; of my father

帮助乳腺癌根治术后并带有引流管的患者翻身时，正确的操作方法是

A．翻身后更换伤口敷料
B．翻身前必须夹紧引流管
C．两人助翻身时手的着力点分别在肩、腰、臀和膝部
D．翻身后上腿伸直，下腿弯曲
E．患者只能侧卧于健侧