5、<img src="https://static.zxtiku.com/wangke/imgs/topic/2159707950fbb2e3f5f39b8f3d1b33f3.jpg"/>=( )<br/> A、<img src="https://static.zxtiku.com/wangke/imgs/topic/5a2ef2075ff75875a7ac1c97802556e2.jpg"/><br/> B、<img src="https://static.zxtiku.com/wangke/imgs/topic/f13cab83fb21f97f439a25465a892dee.jpg"/><br/> C、<img src="https://static.zxtiku.com/wangke/imgs/topic/757f52f6d956b7584b03e735c025f83f.jpg"/><br/> D、<img src="https://static.zxtiku.com/wangke/imgs/topic/37255de61401e7550c3c62cf1f7e7d44.jpg"/>