—Does your sister ________ to be an actor ________ a nurse? 

—A nurse.[ ]

A. wants, and        

B. want, and      

C. want, or

D. wants, or

区别腹部肿块来自腹腔或腹壁，最简易的检查方法是( )

A．超声检查

B．钡餐检查

C．腹部体格检查

D．腹部x线检查

E．胃肠镜检查