初一下期英语选择题：Walk（ ）the bridge.Don't run. A. through B. across C. over D. among

应该是B across 横着穿过,与cross相对 walk across the bridge/road 穿过桥、马路
through 从内部穿过 walk through the museum 穿过博物馆（内部）
over 悬浮于上方的 a bridge over the river 坐落于河上方的桥
among在.之中（三者或三者以上）walk among the crowd 在人群中行走