In virtualization, why is using a 64bit host operating system desirable compared to a 32bit host?

A.
64bit hosts provide more data throughput to guests than 32bit hosts.

B.
Virtualization isn’t stable with 32bit based operating systems.

C.
64bit operating systems get faster access to hardware resources such as disk drives.

D.
There is a larger memory address space which allows for potentially more and larger virtualized
guests.