问题补充：
单选题Hisbusinessfailurelefthimattheedgeofdesperation,but,,hemanagedtogooutoftheshadowthroughyearsofefforts.A.time and tide wait for no manB.don’t count your chickens before they are hatchedC.no pains, no gainsD.time heals all wounds
答案：
B
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