Parents ________ much importance to education.They will do their best to give their children that

priceless gift. [    ]

A. attach  

B. pay

C. link  

D. apply

股骨颈骨折（）

A．易发生肱动脉损伤

B．易发生腘动脉损伤

C．易发生缺血性骨坏死

D．易发生坐骨神经损伤