OG them指代问题

tclj

OG6 6.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 bv tourists, 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
我想问下，OG的解释说C、D中的them可能指代tourists，C没问题，但D我有点想不明白，难道raising修饰的是tourists，them就有知道tourists的错误，那么如果raising还是修饰moisture，那么them应该就没有歧义了吧？？

tclj

顶上来

HarrisZheng

D压根就是个狗屁不通的句子
Justify 错误选项毫无意义