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8. In late 1997, thechambers inside the pyramid of the Pharaoh Menkaure at Giza were closed to visitors for cleaning and repair dueto moisture exhaled by tourists, which raised its humidity to such levels so thatsalt from the stone wascrystallizing and fungus was growing on the walls. (A) due to moistureexhaled by tourists, which raised its humidity to such levels so that salt fromthe stone was crystallizing (B) due to moisturethat tourists had exhaled, thereby raising its humidity to such levels that salt from the stone would crystallize (C) because touristswere exhaling moisture, which had raised the humidity within them to levels such that saltfrom the stone would crystallize (D) because ofmoisture that was exhaled by tourists raising the humidity within them to levels so high as to make the salt fromthe stone crystallize (E) because moistureexhaled by tourists had raised the humidity within them to such levels that saltfrom the stone was crystallizing
DE均是exhaled by tourists这个结构，为什么D中的THEM有指代TOURISTS的嫌疑，而E没有呢？
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发表于 2014-6-27 13:41:52
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