病历摘要：患者××，女性，43岁，因腰背痛，左下肢麻木感3个月，无畏寒、发热，大小便正常。查体：T37℃，P80次/分；L₁至L₄棘突有压痛和叩击痛，左侧腰部可触及大小分别为10×8×5cm和8×8×5cm之包块，有触痛，质软，左下肢直腿抬高试验（＋），其余（-）。 B超发现左侧腰大肌有2个脓肿，大小为11×11×10cm和9×9×8cm。X线提示腰椎体有破坏，MRI示L椎体水平

根据以前资料，该患者下一步治疗怎样？（）

A.立即手术治疗

B.保守治疗

C.先保守治疗，无效再行手术治疗

D.先正规抗结核治疗2周，再行手术治疗

An Intranet is (71) the application of Internet technology within an internal or closed user group．Internets are company (72) and do not have a (73) connection to the Internet．Used properly an Internet is highly effective corporate tool，capable of regularly (74) information to empower the workforce with the information needed to perform their roles．Used in this way，Internet represent a step towards the (75) office．

73（）

A．physical

B．psycological

C．spatial

D．spirited