Which of the Following Is True About Asymmetric Cryptography

Multiple Choice

Which of the following is true about asymmetric cryptography?

A) the private key can be used to encrypt and decrypt a message
B) a shared key is used to encrypt all messages and the private key decrypts them
C) a single key is used and is transferred using a key management system
D) the public key is used to encrypt a message sent to the private key owner