Many parents happily pay a lot of money, only the tours are not rewarding enough for their children.
A. to find
B. find
C. having found
D. to have found
网友回答
(答案→)A. to find
B. find
C. having found
D. to have found
解析：考查不定式作结果状语。不定式作结果状语表达出乎意料，令人惋惜的结果。常用于结构：only/just to do中，以only/just to realize，find考得较多。而现在分词作结果状语表达自然而然的结果。句意：许多父母亲乐意花很多钱，结果发现旅游没有给他们的孩子足够多的回馈。