Which three IP addresses are examples of an RFC 1918 address?

Which three IP addresses are examples of an RFC 1918 address? (Choose three.)
A. 172.16.3.1/24
B. 209.165.201.5/27
C. 209.165.200.225/27
D. 10.30.20.1/28
E. 192.168.200.50/24