_________thefactthatmanydriversareevertrained,wecannotstresstoomuchth

_________ the fact that many drivers are ever trained, we cannot stress too much theimportance of traffic safetyA.Thanks toB.DespiteC.AsD.Although

B解析试题分析：句意：尽管事实上,许多司机都培训过,我们也不能忽视交通安全的重要性。Thanks to 幸亏，多亏了; Despite 尽管，不管; As 因为，由于，引导原因状语从句; Although 虽然，尽管，引导让步状语从句。 A虽然是介词短语，但是词义与句意不符，因此最佳选项为B。考点: 考查介词的用法。

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