单选题If you came into contact with nitrobenzene while disconnecting the cargo hose，you should be aware that it is（）.Ahighly toxic when absorbed through the skinBa blood poisonCa nerve poisonDAll of the above
单选题
If you came into contact with nitrobenzene while disconnecting the cargo hose，you should be aware that it is（）.
A
highly toxic when absorbed through the skin
B
a blood poison
C
a nerve poison
D
All of the above
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