Youhost16virtualmachinesthataredistributedevenlyacrossan8-nodeWindowsServer2008R2Hyper-Vfailovercluster.YouplantoperformlivemigrationsoftheVMstopreparefortheinstallationofsoftwareupdatesonthecluster.Youneedtoperformthemaximumnumberofsimultaneouslivemigrations.Howmanylivemigrationsshouldyouperformsimultaneously？（）
A.one
B.two
C.four
D.eight
参考答案：C
