_______ for the free ticket， I would not have gone to see film so often. A. If it is not B. Were it not C. Had it not been D. If they were not
正确答案：C
从本题后半句可以看出这是一个与过去事实相反的虚拟条件句从句中的动词要用“had＋过去分词”如果将if省略had要位于主语之前构成倒装句故本题的答案是CHaditnotbeenforthefreeticket＝Ifithadnotbeenforthefreeticket
（本解析由学员提供）
