A cloud administrator aims to privately connect two cloud server instances located in separate Virtual Private Clouds $($VPCs$)$ on Amazon Web Services $($AWS$).$ What configuration should be used to facilitate this connection without involving an internet gateway?

A$.$ By creating a private Multiprotocol Label Switching $($MPLS$)$ network

B$.$ By using a virtual private cloud $($VPC$)$ peering connection

C$.$ By deploying an on$-$premises data center

D$.$ By using AWS Direct Connect