What is the size of a virtual machine .vswp file if defaults are accepted for the virtual machine reservations, limits, and shares?

A.
the virtual machine .vswp file is equal to twice the amount of available memory configured for the virtual machine whrn it was created

B.
the virtual machine .vswp file is equal to the amount of virtual memory (virtual machine) available memory, plus virtual machine overhead the virtual machine when it was creasted

C.
the virtual machine .vswp file is equal to zero length when the virtual is created and expands as necessary

D.
the virtual machine .vswp file is equal to the amount of available memory configured for the virtual machine when it was created