I believe the answer to your question is C.
This is a very common IQ question. A baby can fall out of a twenty story building onto the ground and survive. The baby can fall out of the first floor window to survive. The questions never states what window the baby fell out of.
The best example of a primary source among these options that you've mentioned is an interview with her dad who is a Vietnam veteran. She can get all the details she needs from a person who was actually there.
Answer:
Example 1: Nita makes her arrangements to stay in Canada instead of going back to Chicago.
Example 2: Since Nita isn't held captive, she forms a plot to find out about her Kidnappers with the help of Kovit and Fabricio.
