单选题 .  Like many other aspects of the computer age, Yahoo began as an idea,     1    into a hobby and lately has     2    into a full-time passion. The two developers of Yahoo, David Filo and Jerry Yang, Ph. D candidates     3    Electrical Engineering at Stanford University, started their guide in April 1994 as a way to keep     4    of their personal interest on the Internet. Before long they     5    that their homebrewed lists were becoming too long and     6    . Gradually they began to spend more and more time on Yahoo.
    During 1994, they     7    yahoo into a customized database designed to     8    the needs of the thousands of users     9    began to use the service through the closely     10    Internet community. They developed customized software to help them     11    locate, identify and edit material     12    on the Internet. The name Yahoo is     13    to stand for "Yet Another Hierarchical Officious Oracle", but Filo and Yang insist they selected the     14    because they considered themselves yahoos. Yahoo itself first     15    on Yang's workstation, "akebono", while the search engine was     16    on Filo's computer, "Konishiki".
    In early 1995 Marc Andersen, co-founder of Netscape Communication in Mountain View, California, invited Filo and Yang to move their files     17    to larger computers     18    at Netscape. As a result Stanford's computer network returned to     19    , and both parties benefited. Today, Yahoo     20    organized information on tens of thousands of computers linked to the web.1.