Which statement contains the correct parameters for a route-based IPsec VPN?

Which statement contains the correct parameters for a route-based IPsec VPN?

A.
[edit security ipsec]
user@host# show
proposal ike1-proposal {
protocol esp;
authentication-algorithm hmac-md5-96;
encryption-algorithm 3des-cbc;
lifetime-seconds 3200;
}
policy ipsec1-policy {
perfect-forward-secrecy {
keys group2;
}
proposals ike1-proposal;
}
vpn VpnTunnel {
interface ge-0/0/1.0;
ike {
gateway ike1-gateway;
ipsec-policy ipsec1-policy;
}
establish-tunnels immediately;
}

B.
[edit security ipsec]
user@host# show
proposal ike1-proposal {
protocol esp;
authentication-algorithm hmac-md5-96;
encryption-algorithm 3des-cbc;
lifetime-seconds 3200;
}
policy ipsec1-policy {
perfect-forward-secrecy {
keys group2;
}
proposals ike1-proposal;
}
vpn VpnTunnel {
interface st0.0;
ike {
gateway ike1-gateway;
ipsec-policy ipsec1-policy;
}
establish-tunnels immediately;
}

C.
[edit security ipsec]
user@host# show
proposal ike1-proposal {
protocol esp;
authentication-algorithm hmac-md5-96;
encryption-algorithm 3des-cbc;
lifetime-seconds 3200;
}
policy ipsec1-policy {
perfect-forward-secrecy {
keys group2;
}
proposals ike1-proposal;
}
vpn VpnTunnel {
bind-interface ge-0/0/1.0;
ike {
gateway ike1-gateway;
ipsec-policy ipsec1-policy;
}
establish-tunnels immediately;
}

D.
[edit security ipsec]
user@host# show
proposal ike1-proposal {
protocol esp;
authentication-algorithm hmac-md5-96;
encryption-algorithm 3des-cbc;
lifetime-seconds 3200;
}policy ipsec1-policy {
perfect-forward-secrecy {
keys group2;
}
proposals ike1-proposal;
}
vpn VpnTunnel {
bind-interface st0.0;
ike {
gateway ike1-gateway;
ipsec-policy ipsec1-policy;
}
establish-tunnels immediately;
}