What has caused the connectivity issue?

A SysOps Administrator is troubleshooting Amazon EC2 connectivity issues to the internet. The EC2 instance is in a private subnet.

Below is the route table that is applied to the subnet of the EC2 instance.

Destination C 10.2.0.0/16

Target C local

Status C Active

Propagated C No

Destination C 0.0.0.0/0

Target C nat-xxxxxxx

Status C Blackhole

Propagated C No

What has caused the connectivity issue?
A . The NAT gateway no longer exists
B . There is no route to the internet gateway.
C . The routes are no longer propagating.
D . There is no route rule with a destination for the internet.