初中英语现在完成时的被动语态选择题

Have you been to Suning Plaza（苏宁购物中心）in our city？

No．Although it____for more than a week，I'm far too busy to go there．（　　）

A．has startedB．has been on

C．has been openD．has opened

Do you need any help？

No， thanks． We__________a lot of support since last year．（　　）

A．have offeredB．have been offered

C．were offeredD．were offering