Those who participate in risky sports often do so to confront their fears. For example, rock climbers are more likely than others to have once suffered from a fear of heights. Those who participate in such risk-taking activities also have more self-confidence than others, so it is probably true that confronting one' s fears increases one' s self-confidence. Which one of the following, if true, most weakens the reasoning above?
A: Participating in risky sports is not the only way to confront one's fears.
B: In general, people who currently participate in risky sports had above-average self-confidence even before participating in any risky sport.
C: Most of those who do not participate in risky sports believe that they lack the capacity to excel in such activities.
D: Most people who refrain from engaging in risky sports refrain from doing so for reasons other than a fear of death or injury.
Choose A, B, C or D as your solution.
B