Question

--- May I come in? I'm sorry I am late.
--- Come in, please. But could you please tell me         ?

1. A.
   how do you come to school
2. B.
   what were you doing then
3. C.
   who you talked with
4. D.
   why you are late again

Answer 1

D
宾语从句的用法。由宾语从句用陈述句的语序可排除选项A、C，又由上句“我迟到了”知，宾语从句意为“你为什么迟到了”，因此选D。