求助！OG 12 sSC 93 E选项的问题。

winnielxx

Heating-oil prices are expected to be higher this year than last because refiners are paving about S5 a barrel more for crude oil than thev were last year.
(A)Heating-oil prices are expected to be higher this year than last because refiners are paying about $5 a barrel more for crude oil than they were
(B)Heating-oil prices are expected to rise higher this year over last because refiners pay about $5 a barrel for crude oil more than they did
(C)Expectations are for heating-oil prices to be higher this year than last year's because refiners are paying about $5 a barrel for crude oil more than they did

(D)It is the expectation that heating-oil prices will be higher for this year over last because refiners are paying about $5 a barrel more for crude oil now than what they were
(E)It is expected that heating-oil prices will rise higher this year than last year's because refiners pay about $5 a barrel for crude oil more than they did
看完了之前的帖子，我都还是没有弄明白这个问题。所以我只好再问问大家。
E选项OG说：the possessive last year's doesn't parallel the adverbial phrase this year.
如果理解成状语this year和last year‘s比较我能够明白一定比较错了。可是我看到E选项我的第一反应是last year's是主语的省略，即：last year's (heating-oil prices )就变heating-oil prices  this years和last year's (heating-oil prices )主语比较了。我就觉得是对的。
请问大家这样理解哪里出了问题吗？
非常谢谢了！！！

winnielxx

谢谢啦！！！
对对，就是有比较美。后来我去看了比较之庖丁解牛，又问了一个大N，搞明白了，OG里面比较，前后的结构都几乎是完美对应。
这句如果是主语比较，应该是heating-oil prices this years和heating-oil prices  last year对应。而last year's这种结构表示主语前面根本就没有对应，不能这么比。last year's只能是用错了的状语比较。正确的是this year和last year比。

winnielxx

哦~~~！
听楼主的，回去E选项仔细读了几遍，更理解【比较对象主语的修饰限定范围内】这句话了。heating-oil prices wil rise higher this year 这里的状语this year是修饰的整句话，而非主语，主语只有heating-oil prices ，和last year's heating oil prices,根本就无法比较。
明白了！谢谢楼主的纠正: )