适宜的处理为
A．高位结扎术
B．股静脉瓣膜成型术
C．高位结扎加静脉剥脱、交通静脉结扎术
D．硬化剂局部注射
E．弹性绷带包扎
参考答案：C
25．I’m afraid I’m not ____ to help with the show, for I am fully occupied with my own project．
A．dependable
B．convenient
C．available
D．accessible
胚胎细胞核移植
