B．ecause Web servers are platform. and application (1), they can send or request data from legacy or external applications including databases. All replies, once convened into (2) mark-up language, can then be transmitted to a (3) . Used in this way, Intranets can (4) lower desktop support costs, easy links with legacy applications and databases and, (5) all, ease of use.

A．coupled

B．dependent

C．independent

D．related