[求助]情态动词的互换

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

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