＿＿＿＿＿＿ for the free tickets, I would not have gone to the films so often.
A. If it is not
B. Where it not
C. Had it not been
D. If they were not
网友回答
A. If it is not
B. Where it not
(答案→)C. Had it not been
D. If they were not
解析：Had it not been是if it had not been的倒装形式，意思是“要不是……”。