Which two Cisco Nexus platforms support Adapter FEX?

Which two Cisco Nexus platforms support Adapter FEX? (Choose two.)

A.
Cisco Nexus 7000 Series Switches

B.
Cisco Nexus 5000 Series Switches

C.
Cisco Nexus 5500 Series Switches

D.
Cisco Nexus 4000 Series Switches

E.
Cisco Nexus 2000 Series Fabric Extenders