I feel sure that _______ qualification, ability and experience, you are suited to the position we have in mind.

A．on account of

B．in terms of

C．on the basis of

D．in spite of

腰椎椎管狭窄症常表现为（）

A．大小便功能障碍

B．臀部和下肢痛

C．直腿抬高试验阳性

D．间歇性跛行