求解一道题 XDJM帮帮忙

无敌西红柿炒蛋

一道关于平行比较的题，我纠结与A和C之间
A large rise in the number of housing starts in the coming year should boost new construction dollars by several billion dollars, making the construction industry’s economic health much more robust than five years ago.
(A) making the construction industry’s economic health much more robust than five years ago
(B) and make the construction industry’s economic health much more robust than five years ago
(C) making the construction industry’s economic health much more robust than it was five years ago
(D) to make the construction industry’s economic health much more robust than five years ago
(E) in making the construction industry’s economic health much more robust than it as five years ago

无敌西红柿炒蛋

GWD里的答案不一定就是100%正确  
感觉大家都选A     跟我的答案一样   要是真考到这样的我还选A

无敌西红柿炒蛋

这道题给的答案是C

无敌可爱多

楼上，你应该问什么时候可以省略一些词，什么时候不能省略

其实放在中文也一样，当省略不会造成句意歧义，并且省略与不省略是最终你筛选出的两个答案的唯一差别的时候，选择省略掉的那个。

按照GMC原则。

cheshou

什么时候it was 可以省略，什么时候不可以？

无敌可爱多

选A?因为省略了it was不会造成歧义？


楼上解法是错的，making引导伴随状语，是独立的部分，没法和should boost平行。

cheshou

答案是A 吗？

我觉得it was 和should boost 不一致。对吗？