单项选择题

A.冈上肌,冈下肌,小圆肌
B.冈上肌,冈下肌,小圆肌,肩胛下肌
C.冈上肌,冈下肌,肩胛下肌
D.冈上肌,冈下肌,小圆肌,大圆肌
E.冈上肌,冈下肌,大圆肌