What I learn about this violence is ________ it has caused at least three deaths. A. whether B. that...
2022-09-12 00:42:36 62次 天津市、宝坻一中、杨村一中等）2018-2019学年高二上学期期末考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
What I learn about this violence is ________ it has caused at least three deaths.
A. whether B. that
C. what D. when
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