Aknifeattackhappenedatthesubwayandatleast3people

问题详情：

A knife attack happened at the subway and at least 3 people ________.

A. killed    B. are killed    C. were killed    D. were killing

【回答】

C

【解析】句意：在地铁里发生了一起用*袭击事件，至少三人被捅死。and是并列连词，前后动词时态一致，根据happened可知用过去式，结合句意可知用被动语态。被动语态构成：be+动词的过去分词。故选C。

知识点：动词语态

题型：选择题