Read the following context and choose the best option to answer the question.
Context: Tuesday , 2:08 AM . Fritz and I were awakened by a wild scrambling outside the bedroom in the front hall . There was also a high , piercing squeeking noise . " What 's that ? " from Fritz .
Question: What is going through Fritz and narrator 's minds ?
Options: 
- They are worried about a police officer arresting them .
 - They are worried about a robber .
 - None of the above choices .
 - They are worried about a debt collector .


They are worried about a robber .