Which of the following can we draw from the given information concerning the class-map "all-traffic"?（）
- A The class-map "all-traffic" will match all traffic with ip precedence 4 and 5
- B The class-map "all-traffic" will match all traffic with dscp 18 or dscp 43
- C The class-map "all-traffic" will match all traffic with ip precedence 0 or 1
- D The class-map "all-traffic" will match all traffic with dscp 18 and dscp 43