.You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.the Company.com network contains a client access server named - ex05.during routine monitoring you discover that -ex05 has failed.you receive an instruction from the cio to install a new member server named -ex05 on the network as well as to recovering the client access server role on -ex05.What should you do？（）

A. Your best option would be to run Setup /RecoverCMS from the Exchange Server installation source files.
B. your best option would be to have the inetpub folder as well as the system state restored from -ex05.
C. Your best option would be to run Setup /M：RecoverServer from the Exchange Server installation source files.
D. your best option would be to have the inetsrv folder as well as the system state restored from - ex05.