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In late 1997, the chambers inside the pyramid of the Pharaoh Menkaure at Giza were closed to visitors for cleaning and repair due to moisture exhaled bvtourists, which raised its humidity to such levels so that salt from the stone was crystallizing and fungus was growing on the walls.
(A) due to moisture exhaled by tourists, which raised its humidity to such levels so that salt from the stone was crystallizing
(B) due to moisture that tourists had exhaled,thereby raising its humidity to such levels that salt from the stone would crystallize
(C because tourists were exhaling moisture, which had raised the humidity within them to levels such that salt from the stone would crystallize
(D) because of moisture that was exhaled by tourists raising the humidity within them to levels so high as to make the salt from the stone crystallize
E) because moisture exhaled by tourists had raised the humidity within them to such levels that salt from the stone was crystallizing
OA:E
对于A,B我没有问题 due to实在错的太明显了 对于C D解释上说他们的them有指代问题 都是指代tourists
仔细看看 E也用了them啊 E的结构是the chambers were closed to sb because moisture did sth within them to ...
是不是E这样的句子结构使them不会歧义去修饰tourists呢
还请大家帮忙解惑！ | 
