What Is True Regarding Public and Private SSH Keys

Multiple Choice

What is true regarding public and private SSH keys?

A) For each user account, there is exactly one key pair that can be used to log into that account.
B) The private key must never be revealed to anyone.
C) Several different public keys may be generated for the same private key.
D) To maintain the private key's confidentiality, the SSH key pair must be created by its owner.
E) To allow remote logins, the user's private key must be copied to the remote server.