Since Tom downloaded a virus into his puter, he
can not open the file now.
A. readily
B. horribly
C. accidentally
D. irregularly
网友回答
A. readily
B. horribly
(答案→)C. accidentally
D. irregularly
解析：答案为C.此题考查副词辨析。病毒肯定是“意外地”下栽到电脑中.不可能是“可怕的”．“乐意地”或“不定期地”．所以要用
accidentally。