The onset of a new generation of computer attacks was marked by ______. What does the word "they" (Para. 4) refer to?

admin2010-05-05  52

问题 The onset of a new generation of computer attacks was marked by ______.
What does the word "they" (Para. 4) refer to?

选项 A、organized gangs.
B、PCs infected.
C、copies of the virus.
D、their files.

答案B

解析 这是一道词义题。依据第四段的内容可知,"they"指代的是PCs infected。
转载请注明原文地址:https://jikaoti.com/ti/UiRRFFFM
0

最新回复(0)