—Why are you so late?—The driver couldn’t see clearly because of the fog the road was to

问题补充：

—Why are you so late?

—The driver couldn’t see clearly because of the fog．, the road was too icy．

A. Therefore

B. Otherwise

C. However

D. Besides

答案：

A. Therefore

B. Otherwise

C. However

(答案→)D. Besides

解析：考查词义辨析。Therefore 因此，Otherwise 否则，要不然，However 然而，Besides 此外，况且，句意：你为什么这么玩呢？由于大雾司机看不清楚，此外路上有太多的冰。根据句意所以选D。