Most of the guests ______ to the party were from the same country.     [ ]

A. invited    

B. inviting        

C. to invite        

D. were invite

原发性高血压病人的血管病变是

A．小动脉病变

B．动脉中层硬化

C．细小动脉硬化

D．大动脉炎症

E．主动脉及其分支的粥样硬化