第20题:[不定项选择题]The invisible scars of the drivers mentioned in the second paragraph refers to__________. A.the regrets left by their fathers B.the fears left by their fathers C.the cars left by their fathers D.the heritage left by their fathers 参考答案:A 本文讲的是赛车，第二段中讲到“Two young drivers…raced in theirfirst 500 in l968．Less than 20 years before，their fathers also competed against one another on the Indy track--and died there．”可知赛车手无形的伤疤指的是他们父亲留下的遗憾。所以A项正确。
