单项选择题

A.上臂外侧三角肌下缘附着处,0.5ml
B.上臂外侧三角肌上缘附着处,0.1ml
C.上臂外侧三角肌中缘附着处,0.1ml
D.上臂外侧三角肌上缘附着处,0.5ml