A previous healthy 45 yrs old laborer suddenly develops acute lower back pain with right-leg pain and weakness of dorsiflexion of the right great toe.Which of the following is true:

• A. The appearance of the foot drop indicate early surgical intervention
• B. Immediate treatment should include analgesics muscle relaxants and back strengthening exercises
• C. If the neurological signs fail to resolve within 1 week,Lumbar laminectomy and exscision of any herniated nucleus pulposus should be done
• D. If the neurological sign resolve with in 2 to 3 weeks but low back pain persists,the proper treatment would include fusion of affected Lumbar vertebra