Carpal tunnel syndrome (CTS) is caused when the carpal tunnel compresses which location?

A. The ulnar nerve passes through Guyon’s canal, not the carpal tunnel. B. The radial artery is not involved in the carpal tunnel and is not compressed in CTS. C. Carpal tunnel syndrome occurs when the median nerve is compressed within the carpal tunnel, leading to symptoms like pain, tingling, numbness, and weakness, especially in the thumb, index, and middle fingers. D. The brachial artery runs higher in the arm and is not affected by carpal tunnel compression.