During a Football Game an Offensive Lineman Is Hit in the Legs

During a football game an offensive lineman is hit in the legs from the side.Upon examination by the physical trainer it was determined that the player has a dislocated knee.There was a significant amount of damage to the entire knee joint.What is the main muscle,tissues,and membrane that would have been damaged?

A) skeletal muscle,connective tissues,and the synovial membrane
B) skeletal muscle,connective tissues,and the mucous membrane
C) smooth muscle,connective tissues,and the synovial membrane
D) skeletal muscle,connective tissues,and the serous membrane
E) None of the answer choices is correct.