Which of the Following Statements Are True Regarding Hardware Based

Which of the following statements are true regarding hardware based virtualization?

A) Hardware based virtualization requires special support in the host system's hardware which is present in all recent x86-based computers.
B) Hardware based virtualization implements a whole machine in software and therefore can run virtual machines of a given hardware platform on an arbitrary host system.
C) Hardware based virtualization relies on the host system's processor to call the hypervisor when critical instructions are executed by a virtual machine.
D) Hardware based virtualization is not available on x86-based CPU architectures and requires special virtualization host hardware.