which three items can be added to a vSphere 5 Baseline?

An administrator is working to upgrade the host and virtual machines in vSphere 5 deployment Upgrade Baselines.

Other than host patches, which three items can be added to a vSphere 5 Baseline? (Choose three)

A.
Operating system patches

B.
Virtual appliance updates

C.
Virtual machine Virtual Hardware upgrade

D.
VMware tools

E.
Applications patches within the virtual machine

Explanation:
Update Manager can scan and remediate ESX/ESXi hosts, virtual machines, and virtual appliances.
*Host patching
*ESX/ESXi 3.5
*ESX/ESXi 4.x
*ESXi 5.0
*Host upgrades of ESX/ESXi 4.x to ESXi 5.0
*Upgrades of VMware Tools and virtual machine hardware for virtual machines *Upgrades of virtual appliances

Reference: http://www.vmware.com/support/vsphere5/doc/vsphere-update-manager-50-release- notes.html