英语选择,帮忙理解下—Hurry up!The bus is coming.—Wait a minute.Don't cross the street _____ the traffic lights are green.A.after B.until C.while D.since顺便翻译一下,帮助我理解下这道题

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英语选择,帮忙理解下
—Hurry up!The bus is coming.
—Wait a minute.Don't cross the street _____ the traffic lights are green.
A.after B.until C.while D.since
顺便翻译一下,帮助我理解下这道题

快点!巴士来了.
等一下.别_____过马路的交通灯是绿色.
A.after B.until C.while D.since
B

B

B
用after意思不对
用while语法不对
用since语法不对