Which one is the implied meaning of the last sentence in Para. 4, One WOLiffece, but a world away when thinking about challenges
选项：

A:If one thinks about challenges negatively, he or she will face themwithconfidence.
B:1f one thinks about allles psitiely. he or she will always be afaid tofail and cannot face them bravely.
C:If one thinksabout challenges inorretly, he or she will lose a world.
D:Two difrert ways of tinking about calnges will lead to tolalyl difrerresults.