Answer : Option B) Learn the rules and proper technique from an expert, and use the necessary gear.
Explanation : Amongst the given choices; learning new rules and applying the proper techniques advised by the experts and using the necessary gears required for the new activity is the best attempt for staying safe while trying out a new activity.
Learning new rules will enable the user to know the do's and dont's of the activity. Taking an expert advice will enhance the user's knowledge and techniques will be known to perform the activity. Using necessary gears will help to avoid any unwanted accidents.