A, once someone gets an electric shock, immediately turn off the power supply, instead of pulling people away from the power supply by hand, so A is wrong;

B, when the materials in the warehouse catch fire, use liquid carbon dioxide fire extinguisher to put out the fire, so B is correct;

C, the chemical nature of carbon is not active, and it is necessary to use carbon ink to write documents that need to be preserved for a long time, so C is correct;

D, alcohol can be fermented and distilled from sorghum and corn, so D is correct.

So choose: a.