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?（）
- ADHCP clients will automatically default to the DNS root servers for all DNS requests in the IP stacks locally.
- BDHCP clients will use the IP set in the option 150 command.
- CDHCP clients will use the DNS entry assigned by the ISP.
- DDHCP clients will have no DNS server set in the IP stack.