函数<img src="https://static.zxtiku.com/wangke/imgs/topic/e8f6fc19ae2ca14e1dbe488fc7da5cfd.jpg"/>的间断点为（）。 <p> A. </p><img src="https://static.zxtiku.com/wangke/imgs/topic/047790d6291c59d1f4773bb4c70cc040.jpg"/> <p> B. </p><img src="https://static.zxtiku.com/wangke/imgs/topic/1081068d2e56cac4c3abb22b67b4f2a3.jpg"/> <p> C. </p><img src="https://static.zxtiku.com/wangke/imgs/topic/1fa1b0fcf8e667ce80a39e9483cef242.jpg"/> <p> D. </p><img src="https://static.zxtiku.com/wangke/imgs/topic/b6851a322d729f4bc03519d1c9908e25.jpg"/>