From Karijini , it 's 200 kms on a dirt road , through the deserted town of Wittenoom . We had all the windows up for most of the trip not only as a precaution against asbestosis but just to keep out the clouds of red dust that we were drawing behind . At one stage we had a quick rest stop and happened to look under the van . Dragging along the ground beneath it was most of the electrical circuitry , slowly being worn away on the rocks and dirt .
According to the above context, choose the best option to answer the following question.
Question: What may they gave done after seeing the circuitry ?
Options:
- They may have turned around and gone back to Karijini .
 - They may decided to park the car and walk the rest of the way .
 - They may have taken the car to a mechanic to check it .
 - None of the above choices .


They may have taken the car to a mechanic to check it .