Which two options are two benefits of a Layer 2 looped model?

Which two options are two benefits of a Layer 2 looped model? (Choose two.)

A.
extends VLANs between switches that are connected to a common aggregation module

B.
prevents uplink ports from entering the spanning-tree blocking state

C.
provides quick convergence with Rapid Spanning Tree Protocol

D.
increases performance to end hosts using directly connected, bonded Layer 2 links