A. In introducing violence. B. In providing to excitement and suspense. C. In ensuring that everything comes right in the end. D. In appealing to the intellectual curiosity of the reader. 参考答案:D 答案解析:[解析] 推理判断题。最后一段倒数第二句指出了两者的不同点,在恐怖小说中.往往看不到侦探小说中通过推理揭开谜团的过程,[D]项与此相符。[A]、[B]和[C]在文中均未提及。