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题库 / Prep2007E1-SC-3
Less than 35 years after the release of African honeybees outside Sao Paulo, Brazil, their descendants, popularly known as killer bees, had migrated as far north as southern Texas.
Less than 35 years after the release of African honeybees outside Sao Paulo, Brazil,
In less than 35 years since releasing African honeybees outside Sao Paulo, Brazil,
In less than the 35 years since African honeybees had been released outside Sao Paulo, Brazil,
It took less than 35 years from the release of African honeybees outside Sao Paulo, Brazil, when
It took less than the 35 years after the time that African honeybees were released outside Sao Paulo, Brazil, and then
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错选B
BC中in less than 和since都是时间状语，不能有两个时间状语修饰
B since加ING的逻辑主语是后代，不合理
C中since后面是过去完成时，主句也是过去完成时，不合理
D it无指代
E 语意错误。原句有先后顺序，E搞成了并列
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