Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this that an epidemic of malaria struck in the empire’s waning days.
Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
In studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
Scientists recovered DNA evidence from studying skeletons unearthed near Rome, being able to deduce from this
Skeletons unearthed near Rome allowed scientists to recover DNA evidence, and they were able to deduce from it
Scientists studying skeletons unearthed near Rome recovered DNA evidence from which they were able to deduce
C的问题是后半句中的they指代不明吗?
C后面好像没有they吧~
我觉得是this 不可以指代前面的事情
this 在GMAT中不能当代词用 不过C你也可以理解this的位置容易引起歧义: that后面的从句看起来似乎是同位语修饰this 但是其实根据意思应当是deduce的宾语从句
不是。一个是being able多余,一个是from this太口语化,不正规
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