the fact that many drivers are ever trained, we cannot stress too much theimportance of traffic safety.
A. Thanks to
B. Despite
C. As
D. Although
网友回答
A. Thanks to
(答案→)B. Despite
C. As
D. Although
解析：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。