题目3单选题
某道路上的交通流的畅行速度为<img src="https://tihai-oss-cloud.itihey.com/img/262e543552e6bffd3ef476f98541284e.webp">,阻塞密度为<img src="https://tihai-oss-cloud.itihey.com/img/53950773219ee98e81aaf8358ed09e91.webp">,则交通流速度(V)与交通流密度(K)的直线关系模型方程表达式为( )A. <img src="https://tihai-oss-cloud.itihey.com/img/b95170f19694d33203ab0ec321a3e300.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/2a8f94e9cce1f925c2c610838fc75a27.webp">C. <img src="https://tihai-oss-cloud.itihey.com/img/0ef5055f67352af22f568280281a48ad.webp">D. <img src="https://tihai-oss-cloud.itihey.com/img/c5ded6c4344f068b3aaaf44e811bd82a.webp">