男，25岁，3天前抬重物扭伤腰部，服芬必得，卧床休息，腰痛无缓解，出现右腿麻木疼痛，右直腿抬高40°～50°阳性，加强试验阳性，经检查诊断腰4/5椎间盘突出症。

此时较合适的处理是（）

A.佩带腰围活动

B.椎间盘摘除术

C.卧硬木板床，床头牵引

D.卧床并腰背肌功能练习

E.经皮椎间盘注射激素

We are sure that () to do this face to face, he would find it difficult to express himself without losing his temper.

A. were he to try

B. would he try

C. was he trying

D. if he tries