A <p>为粒径大于2mm的颗粒含量不超过全重50<span style="color: rgb(51, 51, 51); font-family: "PT Sans", sans-serif; text-align: justify; background-color: rgb(255, 255, 255);">%</span>的土</p> B <p>塑性指数大于10且粒径小于等于0.075mm为主的土</p>
C <p>塑性指数(Ip)小于或等于10且粒径大于0.075mm的颗粒含量不超过全重50<span style="color: rgb(51, 51, 51); font-family: "PT Sans", sans-serif; text-align: justify; background-color: rgb(255, 255, 255);">%</span>的土</p> D <p>卵石</p>