在升学还是就业的问题上，我们作出选择时应该[      ]

A．看大多数人的选择

B．完全按照自己的意见

C．完全听从父母的建议

D．全面考虑，慎重抉择

When you think of the Internet, you probably think of ".com." Just what do those three letters at the end of a World Wide Web address mean Every computer that hosts data on the Internet has a (71) numerical address. For example, the numerical address for the White House is 198.137.240.100. But since (72) people want to remember long strings of numbers, the (73) was developed. It is a critical part of the Internet’s technical infrastructure, correlates a numerical address to a word. To (74) the White House website, you could type its numerical address into the address box of your web browser. But most people prefer to use "www. whitehouse. gov." In this case, the domain name is (75) .

（73）处填（）。

A．DHCP

B．DNS

C．RIP

D．WINS