Which kind of address translation should be used to ensure this?

An internal network has servers with private IPv4 addresses that must be visible from the public
network. Which kind of address translation should be used to ensure this?

A.
many-to-one translation (PAT)

B.
many-to-one translation (Dynamic NAT)

C.
one-to-one translation (Static NAT)

D.
one-to-one translation (NAT Traversal)