Above is the output from show ip bgp neighbors command. What is line 21 stating about the BGP connection?()<br /> <img src="https://nimg.ppkao.com/2018-07/yiyu/2018073013422864709.jpg?sign=e27eff7f2f0169e9b0d01f173041d832&t=62d46315" />
A、the number of consecutive TCP connections to the specified remote neig hbor
B、the number of total TCP connections that the router has
C、the number of times the router has established a TCP connection
D、the number of neighbors that the router has