某私网设备A 的IP 地址是192.168.1.1/24，其对应的公网IP 地址是2.2.2.1；公网设备B 的IP 地址是2.2.2.5。若希望B 能ping 通A，可以在NAT 设备上使用下列哪项配置？

选择了： nat server protocol icmp global 2.2.2.1 inside 192.168.1.1

选择了： acl number 2000 rule 0 permit source 192.168.1.1 0.0.0.255 nat address-group 1 2.2.2.1 interface Ethernet 0/1 nat outbound 2000 address-group 1 no-pat

选择了： acl number 2000 rule 0 permit source 192.168.1.1 0.0.0.255 nat address-group 1 2.2.2.1 interface Ethernet 0/1 nat outbound 2000 address-group 1

选择了： nat server protocol icmp global 2.2.2.1 inside 192.168.1.1

选择了： nat server protocol icmp global 2.2.2.1 inside 192.168.1.1

选择了： acl number 2000 rule 0 permit source 192.168.1.1 0.0.0.255 nat address-group 1 2.2.2.1 interface Ethernet 0/1 nat outbound 2000 address-group 1 no-pat

选择了： acl number 2000 rule 0 permit source 192.168.1.1 0.0.0.255 nat address-group 1 2.2.2.1 interface Ethernet 0/1 nat outbound 2000 address-group 1