Sentence Correction

There has been a change in how men think of land, a change from thinking it simply private property to that now of a limited national resource, with an inherent public interest transcending the individual owner's prerogatives.

(A) There has been a change in how men think of land, a change from thinking it simply private property to that now of
(B) There have been changes in how men think of land, a change from that of simple private property to now that of
(C) There has been a change in how men think of land, a change from once considering it simply private property to now considering it
(D) Once men used to think of land as simply private property, but they consider it now
(E) Once thought of simply as private property, land is now considered

[spoiler]OA is E ,

Got this one wrong ?? if one thinks in a single line...one is bound to get unruffled by an occasional hiccup...[/spoiler]