Which of the following statements describe the network shown in the graphic?（）<br /> <img src="https://nimg.ppkao.com/2018-07/ppweb/2018072311453520427.jpg?sign=e353f2f5af7db2a9fc66964ee5d0bcce&t=62d26cc4" />

A、There are two broadcast domains in the network.

B、There are four broadcast domains in the network.

C、There are six broadcast domains in the network.

D、There are four collision domains in the network.

E、There are five collision domains in the network.

F、There are seven collision domains in the network.