—Is there anybody _________ help?

—Yes,Lee says he can’t do it separately.

A．in need of

B．in favor of

C．in case of

D．in praise of

对斜方肌的描述，正确的是()

A．起自乳突，止于肩胛骨下角

B．是位于项区和胸背区上部的扁肌

C．由舌下神经支配

D．由胸神经后支支配

E．血液供应较差