问题详情

Passer-by:________. Local resident: Sure. It"s on Ehn Street: between Eleventh and Twelfth Avenue. Passer-by: Thank you.
A．Help please. Could you tell me where the post office is？
B．Sorry, where is the post office, please？
C．Trouble you. Could you please tell me where the post office is？
D．Excuse me. Do you know where the post office is？请帮忙给出正确答案和分析，谢谢！