Which of the answers below correctly combines the following sentences into one compound sentence? I didn’t want to look into the room. The door creaked open.

-I didn’t want to look into the room, but the door creaked open.
-The door creaked open, forcing me to look into the room.
-Although I didn’t want to look into the room, the door creaked open.
-When the door creaked open, I didn’t want to look into the room.