—I do enjoy my present job as an engineer.
—Well，I would also be an engineer if I my major when I was at college.
A. could have changed
B. should change
C. hadn't changed
D. were to change
网友回答
A. could have changed
B. should change
(答案→)C. hadn't changed
D. were to change
解析：句意：--我的确喜欢我现在作为一名工程师的工作。---嗯,我也会成为一个工程师,如果我我念大学的时候不改变我的专业的话。If引导条件状语从句，而条件句有真实条件句和非真实(虚拟)条件句两种。真实条件句所表示的假设是有可能发生的，而非真实条件句则通常表示一种假想，与事实相反或不大可能会发生,其中，与过去事实相反的条件从句的谓语用过去完成时(had+过去分词),因此C最佳。
考点: 考查虚拟语气的用法。