<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 25-year-old man comes to the emergency department with right knee pain. He was playing soccer when an opposing player tackled him from the side and they both fell down. He immediately heard a popping sound and felt severe pain in his right knee that prevented him from standing or walking. On physical examination, his right knee is swollen and there is local tenderness, mostly at the medial aspect. External rotation of the right knee elicits a significant sharp pain with a locking sensation. Which of the following structures is most likely injured?? A: Anterior cruciate ligament, B: Posterior cruciate ligament, C: Medial collateral ligament, D: Medial meniscus tear, E: Lateral meniscus tear,  <response>: Based on the description in the question stem, the key findings are:- Injury occurred during soccer when the patient was tackled from the side and fell down- Heard a popping sound and had severe pain preventing him from standing or walking- Physical exam showed swelling, tenderness at medial aspect of knee- External rotation caused sharp pain and locking sensationThese findings are most consistent with an injury to the medial meniscus. A meniscus tear often occurs with a twisting motion and patients hear a pop. Pain, swelling, and tenderness localize to the medial or lateral joint line. Locking or catching can occur with a tear when the fragment gets caught in the joint.D: Medial meniscus tear 