问题补充:
A new virus related to SARS is reported at least one person in China last week.
A. to kill
B. to be killing
C. to have killed
D. kill
答案:
A. to kill
B. to be killing
(答案→)C. to have killed
D. kill
解析:考查句型结构sb/sth is reported to do及不定式的时态。句意:据报道,上周一个与SARS有关的病毒至少导致了中国一人死亡。根据句型结构,可排除D项,再根据时间状语last week说明kill动作发生在report之前,故使用不定式的完成式,选C。