In late 1997, the chambers inside the pyramid of the PharaohMenkaure at Giza were closed to visitors for cleaning and repair due tomoisture exhaled by tourists, which raised its humidity to such levels so thatsalt from the stone was crystallizing 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 thatsalt from the stone would crystallize (C) because touristswere exhaling moisture, which had raised the humidity within them to levelssuch that salt from the stone would crystallize (D) because of moisturethat was exhaled by tourists raising the humidity within them to levels so highas to make the salt from the stone crystallize (E) because moistureexhaled by tourists had raised the humidity within them to such levels thatsalt from the stone was crystallizing 选E 解释说cd的them有指代tourists的嫌疑,为什么呢?那么e就没有吗?
1because 从属句连词,和主句关系密切. 2because moisture exhaled by tourists had raised the humidity within them中,主语是单数名词moisture,them与 by tourists 不是同一级吧,them优先指代主句名词。