What is the most likely cause of the problem?

Refer to the exhibit.

A user cannot reach any web sites on the Internet, but others in the department are not having
a problem.
What is the most likely cause of the problem?

A.
IP routing is not enabled.

B.
The default gateway is not in the same subnet.

C.
A DNS server address is not reachable by the PC.

D.
A DHCP server address is not reachable by the PC.

E.
NAT has not been configured on the router that connects to the Internet.