—What can I do for you?

—I’d like to buy a present for my son, ______at a proper price but of great use.

A． that

B．the one

C．which

D．one

患者男，64岁，因“左肩臂疼痛并向前臂及手部尺侧放射”来诊。查体：前斜角肌压痛、放射痛明显，桡动脉有时搏动减弱，患肢无力，上举时颜色苍白。

目前患者的诊断主要考虑为（）

A.颈椎管狭窄症

B.肩周炎

C.肩甲背神经卡压综合征

D.骨质疏松症

E.强直性脊柱炎

F.胸廓出口综合征