问题描述：
请教一道GMAT语法题~
The spraying of pesticides can be carefully planned,but accidents,*weather conditions that could not be foreseen,and pilot errors often cause much larger deposits of spray than they had* anticipated.
A.weather conditions that could not be foreseen,and pilot errors often cause much larger deposits of spray than they had
B.weather conditions that cannot be foreseen,and pilot errors often cause much larger deposits of spray than
C.unforeseeable weather conditions,and pilot errors are the cause of much larger deposits of spray than they had
D.weather conditions that are not foreseeable,and pilot errors often cause much larger deposits of spray than
E.unforeseeable weather conditions,and pilot errors often cause much larger deposits of spray than they had
为什么D不对?
The spraying of pesticides can be carefully planned,but accidents,*weather conditions that could not be foreseen,and pilot errors often cause much larger deposits of spray than they had* anticipated.
A.weather conditions that could not be foreseen,and pilot errors often cause much larger deposits of spray than they had
B.weather conditions that cannot be foreseen,and pilot errors often cause much larger deposits of spray than
C.unforeseeable weather conditions,and pilot errors are the cause of much larger deposits of spray than they had
D.weather conditions that are not foreseeable,and pilot errors often cause much larger deposits of spray than
E.unforeseeable weather conditions,and pilot errors often cause much larger deposits of spray than they had
为什么D不对?
问题解答：
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