30. Many people have the impression that anything that goes wrong with a computer is caused by avirus.
(A) From hardware failures to errors in use, everything is blamed on a virus. A virus is not justany damaging condition.
(B) Similarly, it is now popularly believed that any program that may do damage to your data orinhibit access to computing resources is a virus.
(C) Viral programs are not simply programs that do damage.
(D) As a matter of fact, a virus is a program that introduces itself into a system.¯第四大題：段落重組(第 31−40 題)說明：以下十題每題各有若干句子，請就段落文意連貫的目的，選出正確之組合選項，並將答案代號標記在答案卡上。¯