A
ACL, PCL, Medial Meniscus
B
ACL, MCL, Medial Meniscus
C
ACL, LCL, Lateral Meniscus
D
PCL, MCL, Lateral Meniscus
Explanation:The classic triad involves the ACL, MCL, and medial meniscus. (Note: Modern MRI shows the lateral meniscus is actually more commonly torn in acute ACL injuries, but the classic historical definition remains medial).