Read the following context and choose the best option to answer the question.
Context: I killed the mood by saying , " Fine I 'll get knocked up right now ! " It 's pretty funny , though . My mom said she and dad would react the same way Juno 's parents would have . They would have calmly helped me out and they would ' ve let me keep my baby too .
Question: Why did the narrator say she 'll get knocked up right now ?
Options: 
- None of the above choices .
 - She is already pregnant .
 - She was just kidding .
 - She wants to have a baby .


She was just kidding .