Refer to the exhibit.The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems？（）

A.Configure the gateway on Host A as 10.1.1.1.

B.Configure the gateway on Host B as 10.1.2.254.

C.Configure the IP address of Host A as 10.1.2.2.

D.Configure the IP address of Host B as 10.1.2.2.

E.Configure the masks on both hosts to be 255.255.255.224.

F.Configure the masks on both hosts to be 255.255.255.240.