When Using Public and Private Keys to Connect to an SSH

Multiple Choice

When using public and private keys to connect to an SSH server from a Linux device, where must your public key be placed before you can connect?

A) In an authorization file under your home directory on your computer.
B) In an authorization file on the host where the SSH server is.
C) In the /etc/ssh/keys folder.
D) In the /var/run/ssh/public folder.