Not until the taxi disappeared in the distance _____ her handbag was gone. [ ]

A. Tina had found

B. had Tina found

C. did Tina find

D. Tina found

把钩工发送信号前要检查（）。

A、提升容器

B、钢丝绳

C、连接装置

D、井底井口安全设施

E、是否有安全隐患障碍物