—Somebody is waiting outside.He wants to see you.

—________ no one knows I’m here.

—Somebody is waiting outside.He wants to see you.

—________ no one knows I’m here.

1. A.
   For
2. B.
   And
3. C.
   But
4. D.
   So

?Somebody is waiting outside. He wants to see you.　　

?________ no one knows I'm here.

A. For

B. And

C. But

D. So