Answer: B i hope this helps =D
While there were a number of social, political, and economic causes for the Sepoy Rebellion, the spark that lit it off was an unfounded rumor that the new British issued cartridge for their Enfield rifles was loaded with cow and pig fat, which offended the repressed Hindu and Muslim minorities.
The one that is incorrect is this one: The massacre began because of a violent outburst by protesters towards passerby that supported the current government. Simply opposing the regime was a crime in their eyes, and thus the massacre happened.
I would say D. because it will help train and give advice on what the teen should do in order to run a marathon and see if it's what they want to do. Eating right can help but the training guide would seem to help the most helpful. It couldn't be A. because cross country is different than running a marathon. I hope this helps!