Refer to the exhibit. A Teleworker router is deployed behind a broadband Cable service. If the Teleworker router has the configuration shown, what will be the DNS server selected for DHCP clients on the LAN-side interface?（）

• A、DHCP clients will automatically default to the DNS root servers for all DNS requests in the IP stacks locally. 
• B、DHCP clients will use the IP set in the option 150 command.
• C、DHCP clients will use the DNS entry assigned by the ISP.
• D、DHCP clients will have no DNS server set in the IP stack.