Answer: C. Get help from someone who has a car with working battery.
"How to jump-start a car battery" is an example of a procedural text. A procedural text is one which is meant to explain the reader how he is to perform a particular action. Procedural texts are usually very detailed and written in sequential order. In this case, the author explains that after you have made sure that your battery is dead, and you have found your jumper cables, you should get help from someone who has a car with a working battery.