Read the following context and choose the best option to answer the question.
Context: Especially the first part of the first episode they showed ( two half hour episodes ) . Acetylene torpedoes ! Something went wrong at an acetylene place , and sparked a fire , and all those tanks took off like missiles ! I do n't know why they did n't shut down traffic both ways instead of just one .
Question: Why would the tanks take off like missels ?
Options: 
- The tanks come with blimp like expanders .
 - None of the above choices .
 - The tanks make a fun game that children play make believe with .
 - Because of the flammability of Acetylene it is explosive and can combust quickly .


Because of the flammability of Acetylene it is explosive and can combust quickly .