Wait here. I'll go ____ and see if everything is all right.

Wait here. I'll go ____ and see if everything is all right.
A、over head
B、ahead
C、behind
D、in front
【正确答案】：B
【题目解析】：go ahead 前进，固定搭配；句意：在这儿等着。我去看看是否一切正常。