填空题 从供选择的答案中选出应填入英语文句中()的正确的答案。
Because Web servers are platform and application

• (A), they can send or request data from legacy or external applications including databases. All replies, once converted into
• (B) mark-up language, can then be transmitted to a
• (C). Used in this way, Intranets can
• (D) lower desktop support costs, easy links with legacy applications and databases and,
• (E) all, ease of use.
  A: ① coupled ② dependent ③ independent ④ related
  B: ① ciphertext ② hypertext ③ plaintext ④ supertext
  C: ① browser ② repeater ③ router ④ server
  D: ① off ② offer ③ office ④ officer
  E: ① abort ② about ③ above ④ around