A 45-year-old Internet insurance salesman presents to his doctor with progressive pain in his left hand for 1 year. His pain is primarily limited to the left thumb and index finger. After finishing the physical examination, his doctor believes he has carpal tunnel syndrome (CTS). Which of the following did the doctor most likely find on physical examination to support this diagnosis?
(A) Percussing the wrist elicits pain in all five fingers and the palmar surface
(B) Pain felt along the left thumb, index, middle finger when placing the elbow on a table and flexing the wrist for 60 s
(C) Pain felt along the left thumb, index, middle finger, and palmar surface when placing the elbow on a table and flexing the wrist for 60 s
(D) Radial deviation of the wrist upon wrist flexion
(E) Posterior and lateral forearm sensory deficit