![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
The ligh The lightering hose was not secured at the manifold but the crewman was not injured when he disconnected the hose. tering hose was not secured at the manifold but the crewman was not injured when he disconnected the hose.
A.
The crewman was injured when he was connecting the lightering hose.
B.
The crewman was not injured when he was connecting the lightering hose.
C.
The crewman was injured when he was disconnecting the lightering hose.
D.
The crewman was not injured when he was disconnecting the lightering hose.