單項選擇題哪一神經(jīng)主要為運動神經(jīng)()
A．枕下神經(jīng)
B．頸前神經(jīng)
C．耳大神經(jīng)
D．枕小神經(jīng)
E．鎖骨下神經(jīng)
A．枕下神經(jīng)
B．頸前神經(jīng)
C．耳大神經(jīng)
D．枕小神經(jīng)
E．鎖骨下神經(jīng)