【单选题】
An illness preferably of an infectious nature seizin more than two persons on board at the same time defines().
A、disease of crew
B、crew illness
C、group illness
D、mass disease
A、disease of crew
B、crew illness
C、group illness
D、mass disease
A、Apply ice-cold compress and renew every 4 hours B、Commence artificial respiration immediately C、Give enema D、Pass catheter into bladder