It has been five years since this party____. Many people wonder whether it will stay on.

A．has come to power

B．came to power

C．has been in power

D．in power

（）的选择应遵循细菌培养结果和药敏试验结果

A.薄膜敷料

B.水胶体敷料

C.水凝胶敷料

D.藻酸盐敷料

E.局部使用抗生素

F.硅胶敷料