<prompt> Which of the following drugs is most likely to result in addiction among those who have ever used it?alcoholtobaccococaineheroin  <response>: Almost one-third of people who have tried tobacco become addicted. In comparison, about 15 become addicted to alcohol. Heroin is also highly addictive 23 of users become addicted, but since so few people even try heroin, the addiction rate in society as a whole is quite low 0.4. 