How can you tell that a virtual network interface in a virtual machine is set up to use Paravirtualization?

How can you tell that a virtual network interface in a virtual machine is set up to use
Paravirtualization?

A.
The vm.cfg file will have a
xenbrX = [type=netfront]
setting.

B.
The vm.cfg file will have a
vif = [type=netpv]
setting.

C.
The vm.cfg file will have a
vif = [type=netfront]
setting.

D.
The vm.cfg file will have a
xenbrX■ ttype=pvfront]
setting.

E.
The vm.cfg file will have a
xenbrX = [type=netpv]
setting.