Refer to the exhibit. Router RT3 discovers network 202.176.56.0 via BGP. Which one of thesestatements is true？（）

• A、RT1 advertised network 202.176.50.0/24 with a metric of 782
• B、RT3 is directly connected to RT1 using subnet 192.168.1.0
• C、RT3 has an IGP metric of 782 to reach 192.168.1.1
• D、RT3 has a BGP metric of 782 to reach 192.168.1.1
• E、RT1 advertised network 202.176.50.0/24 with a metric of 1000
• F、RT3 has an IGP metric of 1782 to reach 202.176.56.0/24