题目内容

By the time the tornado ended, more than 2,000 people _____.
A.has injuredB.has been injured
C.had injuredD.had been injured
D
考察时态语态。By是完成时的标志,by后面跟什么时态,主句就用什么完成时,根据ended可知,主句用过去完成时,injure的用法是sb be injured,因此选择D
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