For special message attacks, which of the following option descriptions is correct?

For special message attacks, which of the following option descriptions is correct?

A Special control packet attack is a potential attack and does not have direct destructive behavior

B. The attacker probes the network structure by sending special control messages to launch a real attack.

C. Special control message attacks do not have the ability to detect the network structure. Only scanning attacks can detect the network.

D. Special control message items can only use ICMP to construct attack messages.