Which one of these class maps was configured to match traffic for CS5?（）

• A、CIS 1# show class-map forward Class map match-all forward ( id 3) Match ip dscp 18
• B、CIS1#show access-map block Class map match-all block (id 4) Match ip dscp 43
• C、CIS1# show class-map real-time Class map match-all block (id 5) Match ip dscp 16
• D、CIS 1# show class-map pass Class map match-all real-time (id 2) Match ip dscp 40