_______it comes to traffic rules, I often come across such cases ________the loc

题型：不详难度：来源：

_______it comes to traffic rules, I often come across such cases ________the local drivers obviously know them but won’t follow them.

A．If; why

B．As; which

C．Once; as

D．When; where

答案

D

解析

考查连词及定语从句。When it comes to sth.当提及到……时候；第二空考查定语从句，先行词为cases，在定语从句中作地点状语，选D。