1.        Inuits of the Bering Sea were in isolation from contact with Europeans longer than Aleuts or Inuits of the North Pacific and northern Alaska.

(A) in isolation from contact with Europeans longer than

(B) isolated from contact with Europeans longer than

(C) in isolation from contact with Europeans longer than were

(D) isolated from contact with Europeans longer than were（D）

(E) in isolation and without contacts with Europeans longer than

为什么加上were，

有人解释说：主要前面有Europeans，省了were就会产生歧义：than后的Aleuts or Inuits 跟前面Inuits和Europeans哪个比。

谁能在给我讲讲啊 谢谢！

最好能翻译一下子 感激！

有人解释说：主要前面有Europeans，省了were就会产生歧义：than后的Aleuts or Inuits 跟前面Inuits和Europeans哪个比。

谁能在给我讲讲啊 谢谢！

最好能翻译一下子 感激！

有人解释说：主要前面有Europeans，省了were就会产生歧义：than后的Aleuts or Inuits 跟前面Inuits和Europeans哪个比。

谁能在给我讲讲啊 谢谢！

最好能翻译一下子 感激！