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6. 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
which在此存在指代成tourists的错误吗？OG答案里没写。
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发表于 2013-12-19 21:44:38
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