Which statement about L2VPN Pseudowire Switching is not true？（）

• A、L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across an inter-AS boundary
• B、L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across two separate MPLS networks
• C、Quality of service is not supported per Pseudowire
• D、L2VPN Pseudowire Switching connects two or more contiguous Pseudowires segments to from an end-to-end multihop Pseudowire
• E、The Cisco MPLS Traffic Engineering tunnel selection is not supported