That's the best way you thought of ________ into the dangerous areas.
A.stopping people gettingB.to stop people gettingC.to keep people gettingD.preventing people from getting在线课程B
you thought of是先行词way的定语从句“做某事的方法”为the way to do/of doing, stop sb. doing=stop sb from doing阻止某人做某事，而C项keep sb. doing应为keep sb. from doing。