Of all the possible disasters that threaten American agriculture, the possibility of an adverse change in climate is maybe the more difficult for analysis.

(A) is maybe the more difficult for analysis

(B) is probably the most difficult to analyze

(C) is maybe the most difficult for analysis

(D) is probably the more difficult to analyze（B）

(E) is, it may be, the analysis that is most difficult

这道题目的答案B中将原来的Maybe改成了probably,不是对原文意思的变化吗？

为什么反而是正确答案呢？

望指教！！！

B is the best choice, though C makes sense on informal occasions.