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.