以下上传本地镜像至dockerregistry仓库的命令中，正确的是：
Adocker push 192.168.10.100/user1/httpd:2
Bdocker push 192.168.10.100:5000/httpd:2
Cdocker push 192.168.10.100:5000/user1/httpd:2
Ddocker push httpd:2/192.168.10.100:5000/user1/
Adocker push 192.168.10.100/user1/httpd:2
Bdocker push 192.168.10.100:5000/httpd:2
Cdocker push 192.168.10.100:5000/user1/httpd:2
Ddocker push httpd:2/192.168.10.100:5000/user1/