5. <img src="https://static.zxtiku.com/wangke/imgs/topic/435481bedda3205cf94bee792aeaf593.jpg"/>（）.<br/> A、发散<br/> B、<img src="https://static.zxtiku.com/wangke/imgs/topic/c0ad8be389309a5a6bdf752896572a7f.jpg"/><br/> C、<img src="https://static.zxtiku.com/wangke/imgs/topic/fb36320c5bb287afd1b16edcc9bd1f57.jpg"/><br/> D、<img src="https://static.zxtiku.com/wangke/imgs/topic/14f7db81da6a86d8c17584ba1cb208a5.jpg"/>