Question

【题目】There are so many viruses on the Internet. If ______ accidentally, the viruses may make your computer break down.

A. downloading B. to be downloaded

C. downloaded D. being downloaded

Answer 1

【答案】C

【解析】

试题分析：句意：互联网上有很多病毒。如果病毒不小心被下载了，那么它们会让你的电脑崩溃。主语一致原则，后面的主语为the viruses可知前面是被下载，故选C项。