Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
Kelly is a new student in Vietnam. He doesn't know the way to Hang Co train station and asks a passer-by. Choose the most suitable response to fill in the blank.
Kelly: "Excuse me. Could you show me how to get to Hang Co train station?"
Passer-by: "__________ "
A. I think going by train is reasonable now.
B. Are you a new student here?
C. Trains are usually slow and crowded
D. Sorry, I'm a stranger here