Which of the following allows the virtual disk of a VM to be migrated to another datastore? (Choose Two)

A.
Storage vMotion

B.
vMotion

C.
VMware Data Recovery (VDR)

D.
VM migrated in suspended state

Explanation:
http://pubs.vmware.com/vsphere-50/index.jsp?topic=/com.vmware.vsphere.vcenterhost.doc_50/GUID-F52300EB-F43B-49F8-820E-298D75025DF3.html