这道题好像没有谓语动词啊：）

 Wind resistance created by opening windows while driving results in a fuel penalty as great or greater than is incurred by using air conditioning.

(A) as great or greater than is incurred by using air conditioning

(B) that is as great or greater than is incurred using air conditioning

(C) as great as or greater than that of using air conditioning

(D) at least as great as air conditioning’s（E）

(E) at least as great as that incurred by using air conditioning

答案是e，但是整句话的谓语是什么啊？我怎么看不出来呀：）

Wind resistance (created by opening windows while driving) results (谓语) in   a fuel penalty......