问题
选择题
Drunk driving, which was once a frequent occurrence, is now______.
A．under debate
B．under control
C．under construction
D．under investigation
答案
B
题目分析：考查介词短语：A.under debate在辩论，B.under control被控制，C.under construction 在建设中，D.under investigation在调查中，句意：曾经频繁发生的酒后驾驶.现在已得到控制。选B。