单项选择题一67岁老人股骨头F型骨折,此间多次复位固定均失败,应采用下列哪种治疗较为适宜()。
单项选择题For the following sentences, which one is effective? ( )A.The subject of this paper will be my college life. B.I want to talk about my college life. C.The four-year college life provides an invaluable experience for my future.