A good story does not necessarily have to have a happy ending, but the reader must not be left .
A. unsatisfying
B. unsatisfied
C. to be unsatisfying
D. being unsatisfied
网友回答
A. unsatisfying
(答案→)B. unsatisfied
C. to be unsatisfying
D. being unsatisfied
解析：考察形容词用法。本题中的形容词unsatisfying不令人满意的；这是由现在分词转换的形容词，修饰事物。unsatisfied感觉不满意的，这是由过去分词转换的形容词，修饰人。句意：一本好书不一定要有幸福的结尾，但是一定不能让读者感觉不满意。感觉句意说明是对人的情况进行说明。使用的是形容词作主语补足语，being是多余的。故B正确。