问题:
[单选题]A man is unable to hold typing paper between his index and middle fingers. Which of the following nerves was likely injured?
一男子无法用他的食指和中指夹住打字纸。下列哪些神经可能受损?
ARadial nerve 桡神经
BMedian nerve 正中神经
CUlnar nerve 尺神经
DMusculocutaneous nerve 肌皮神经
EAxillary nerve 腋神经