TCP链接中主动断开链接netstat观察可能出现的状态流转是（）。

• A、ESTABLISHED->CLOSE_WAIT->TIME_WAIT->CLOSED
• B、ESTABLISHED->TIME_WAIT->CLOSE_WAIT->CLOSED
• C、ESTABLISHED->FIN_WAIT_1->FIN_WAIT_2->TIME_WAIT->CLOSED
• D、ESTABLISHED->FIN_WAIT_1->TIME_WAIT->CLOSED