1. The guiding principles of the tax plan released by the Treasury Department could have even a greater significance for the economy than the particulars of the plan.
(A) even a greater significance for the economy than
(B) a significance that is even greater for the economy than
(C) even greater significance for the economy than have
(D) even greater significance for the economy than do（D）
(E) a significance even greater for the economy than have
Dis not right, according to baiyong's law, "than"should be followed by could have done. and could should not be ommitted. | 
