In FusionCompute, which is wrong description of the virtual machine network card?

In FusionCompute, which is wrong description of the virtual machine network card?
A . SR-IOV pass-through mode network card supports online addition
B . There is a limit to the number of network cards that can be added to each virtual machine
C . The virtual machine configured with the pass-through device must monopolize the memory. After monopolizing the memory, the virtual machine’s memory will not be swapped to the swap space
D . Virtual machines with memory reuse (not 100% memory reservation) cannot be configured with pass-through devices

Answer: A