题目内容:
TheunderlyingreasonforTabor'slifecareeris__________. A.purelyaccidental
B.basedontheanalysisofminers'beingverypoorandtheirpossibilityofdiscoveringprofitableminingsites
C.throughthehelpfromhissecondwife
D.heplannedwellandaccomplishedtargetsstepbystep
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答案解析: