相交于点<img src="https://static.zxtiku.com/wangke/imgs/topic/e65651b2ef35ec09fef084be66cfc504.jpg"/>及<img src="https://static.zxtiku.com/wangke/imgs/topic/8ffc234740606b961e348834e3bb9daf.jpg"/><img src="https://static.zxtiku.com/wangke/imgs/topic/910909bcf80c76a30b33c297e243df51.jpg"/>的两曲线，<img src="https://static.zxtiku.com/wangke/imgs/topic/7d5462f31e3ad407422509163113b6ea.jpg"/>，所围成的图形绕x轴旋转一周所得到的旋转体的体积是（）。 A. <img src="https://static.zxtiku.com/wangke/imgs/topic/fa77333e8a85762e62178d0ec5b020dd.jpg"/> B. <img src="https://static.zxtiku.com/wangke/imgs/topic/499ad6111a1fbd4fbb891e2be7c72e78.jpg"/> C. <img src="https://static.pphuashu.com/wangke/imgs/topic/07c3b4242fad004ca63c995f92ccaea1.jpg.png"/> D. <img src="https://static.zxtiku.com/wangke/imgs/topic/96042c98fb6acb5e91ac06ba7727d55d.jpg"/>