题目

某人因为酒后驾车，遭遇交通事故如果脊髓从胸部折断了，一般情况下 A．膝跳反射存在，针刺足部有感觉    B．膝跳反射不存在，针刺足部有感觉 C．膝跳反射不存在，针刺足部无感觉  D．膝跳反射存在，针刺足部无感觉   答案：D— His sudden death surprised his wife. — It was so bad. His wife was surprised ____ his death. A. by B. withC. at D. on