Which Cisco VPN technology can use multipoint tunnel, resulting in a single GRE tunnel interface on the hub, to support multiple connections from multiple spoke devices?

Which Cisco VPN technology can use multipoint tunnel, resulting in a single GRE tunnel interface
on the hub, to support multiple connections from multiple spoke devices?

A.
DMVPN

B.
GETVPN

C.
Cisco Easy VPN

D.
FlexVPN