You need to modify the Exchange-specific cost for a site link named Link1.What should you do？（）

A.From the Exchange Management Shell， run the Set-ADSite cmdlet.

B.From the Exchange Management Shell， run the Set-ADSiteLink cmdlet.

C.From the Active Directory Sites and Services snap-in， create a site link bridge.

D.From the Active Directory Sites and Services snap-in， modify the properties of Link1.