Read the following context and choose the best option to answer the question.
Context: Yes , we had a little rumble . Everyone is fine . A few photos fell from the wall and shelves , but no one got knocked in the head . I was upstairs cleaning up and the kids were downstairs .
Question: Why may the kids be a little bit startled ?
Options: 
- There was a small fire .
 - There was a lighting strike .
 - There was an earthquake .
 - None of the above choices .


There was an earthquake .