单项选择题

Because web servers are(31)and application independent, they can send or request data from legacy or external applications including databases. All replies, once converted into(32)mark-up language, can then be transmitted to a(33). Used in this way, Intranets can offer(34)desktop support costs, easy links with legacy applications and databases and, above all,(35)of use.

A.hard
B.difficult
C.ease
D.around