Why does a Type 1 hypervisor typically offer tighter security controls than a Type 2 hypervisor?

A. A Type 1 hypervisor also controls patching of its hosted virtual machines ensure they are always secure.
B. A Type 1 hypervisor is tied directly to the bare metal and only runs with code necessary to perform its specific mission.
C. A Type 1 hypervisor performs hardware-level encryption for tighter security and efficiency.
D. A Type 1 hypervisor only hosts virtual machines with the same operating systems as the hypervisor.