女，36岁。右股骨上端疼痛20天，查体：右股骨上端肿胀，压痛，右髋关节活动受限。X线片：右股骨颈及转子下溶骨性骨破坏。3年前患乳癌，施乳癌根治术。局部无复发。最重要的辅助检查项目是（）

A.胸部X线检查

B.局部CT检查

C.局部MRI检查

D.血生化检查

E.腹部B超检查

No sooner ______ at the airport than she was surrounded by many reporters.

A．has the star arrived

B．the star has arrived

C．the star had arrived

D．had the star arrived