I'new here.Could you tell me __,please?

问题描述:

I'new here.Could you tell me __,please?
A.when does the first bus arrive B.when the first bus arrives
C.when did the first bus arrive D.when will the first bus arrive 为什么选B呢?

第一,这是从句,不用将来时,所以不选D
第二,整体的时态是一般现在时,所以不选C
第三,因为是从句,所以不用疑问语序,所以不选A