Question

—Could you tell me_________?
—By underground.

A．how did you come here

B．how you came here

C．when did you come here

D．when you came here

Answer 1

B

本题tell后跟的是一个宾语从句，应该用正常顺序，故不选AC，本题的回答语表示的是乘交通工具的方式，用how来提问，故本题选B。