问题
The police are to ______ the traffic accident that we don’t know _____.
A:dealing with; how to deal with
B:deal with; how to deal with
C:deal with; how to do with
D:do with; what to deal with
B:deal with; how to deal with
C:deal with; how to do with
D:do with; what to deal with
正确答案是：
