Everyone can use task$2.$c to generate a pub$/$priv key pair $($e$,$ n$)$ and $($d$,$ n$).$ If Bob uses RSA to send his secret msg to Alice where the confidentiality is the goal, Bob can use $($e$,$ n$)$ in task$1.$c to encrypt his msg so only Alice can use $($d$,$ n$)$ to decrypt it$.$ This $($e$,$ n$)$ and $($d$,$ n$)$ are $\_\_\_\_\_\_\_\_\_\_$ respectively.

Group of answer choices

Alice's public key and Bob's private key

Bob's public key and Alice's private key

Alice's public key and Alice's private key

Bob's public key and Bob's private key