The correct answer would be alternative C)"careful planning, money, and accurate information."
Getting started in mining depended on careful planning, money, and accurate information.
Mining is a tricky and dangerous activity, that demands planning, money and accurate information. You need accurate information to plan where you're going to invest your money. It's not an activity that can be performed anywhere. You need to execute in the right place, with the right tools in order to succeed.
A is incorrect, because stories can be hearsay or lies, so you can't rely on them.
B is tricky, because these can provide good information, but unless your friend is a mining expert and you're absolutely sure his data is up to date, you shouldn't trust it.
D is just wrong.