Click the Exhibit button. Referring to the exhibit, which statement contains the correct gateway parameters?（）

• A、[edit security ike] user@host# show gateway ike-phase1-gateway { policy ike-policy1; address 10.10.10.1; dead-peer-detection { interval 20; threshold 5; } external-interface ge-1/0/1.0; }
• B、[edit security ike] user@host# show gateway ike-phase1-gateway { ike-policy ike-policy1; address 10.10.10.1; dead-peer-detection { interval 20; threshold 5; } external-interface ge-1/0/1.0; }
• C、[edit security ike] user@host# show gateway ike-phase1-gateway { policy ike1-policy; address 10.10.10.1; dead-peer-detection { interval 20; threshold 5; } external-interface ge-1/0/1.0; }
• D、[edit security ike] user@host# show gateway ike-phase1-gateway { ike-policy ike1-policy; address 10.10.10.1; dead-peer-detection { interval 20; threshold 5; } external-interface ge-1/0/1.0; }