一道定语从句的单选题.Drivers in China will face stricter punishment for breaking traffic regulations,（ ）there are now more than 50,up from 38.A of what B for what C of which D for whichthere be 句型放在这里是什么意思,帮我分析一下句子结构.
问题描述：
一道定语从句的单选题.
Drivers in China will face stricter punishment for breaking traffic regulations,（ ）there are now more than 50,up from 38.
A of what B for what C of which D for which
there be 句型放在这里是什么意思,帮我分析一下句子结构.
答