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