From a Clinical Perspective, Injury Severity Is Classified by the Amount

From a clinical perspective, injury severity is classified by the amount of structural involvement, physical signs, and extent of dysfunction. What are the classifications of ligament injury severity in a clinical model?

A) Minor (one to seven days) , moderately serious (eight to 21 days) or serious (21 or more days or permanent damage)
B) Minimal (24 - 48 hours) , serious (72 hours - 8 days) or catastrophic (8 days +)
C) Grade I (1-7 days) , Grade II (8-21 days) , Grade III (6 weeks to 1 year)
D) Grade I (mild fibre damage) , Grade II (moderate fibre damage) , Grade III (complete rupture of ligament)