问题根据RFC1918，下面哪个地址是私有地址？（） A.10.225.34.12B.192.32.116.22C.172.33.221.12D.110.

根据RFC1918，下面哪个地址是私有地址？（）A.10.225.34.12B.192.32.116.22C.172.33.221.12D.110.12.33.212请帮忙给出