求教： 一个比较结构的改错。

banglixing

90.Although Napoleon’s army entered Russia with far more supplies than they had in their previous campaigns, it had provisions for only twenty-four days.
(A) they had in their previous campaigns
(B) their previous campaigns had had
(C) they had for any previous campaign
(D) in their previous campaigns
(E) for any previous campaign
the key:E。为什么正确答案是E而不是A呢。哪位朋友可以帮我解释一下。谢谢！