使用机械冷藏车(包括空车回送和回空代用),应由发站逐级上报铁道部调度部门,经()承认后方可使用。
参考答案:铁道部调度命令
Hearing the news, she rushed out, _____ the book _____ on the table, and disappeared into the distance.
A.left; lain open
B.left; lay open
C.leaving; lie opened
D.leaving; lying open