![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
According to the anti -railway group, all the followings are true but ______. A) tunnels are dangerous to public health B) the noise and the glare of the engine fire may affect people' s nerves C) the rapid speed through the air does damage to people's lungs D) to those with high blood - pressure, the rapid speed of the train causes them to die