Refer to the exhibit. Which rule does the DHCP server use when there is an IP address conflict?（）

• A、The address is removed from the pool until the conflict is resolved.
• B、The address remains in the pool until the conflict is resolved.
• C、Only the IP detected by Gratuitous ARP is removed from the pool.
• D、Only the IP detected by Ping is removed from the pool.
• E、The IP will be shown, even after the conflict is resolved.