Read the following context and choose the best option to answer the question.
Context: Jackie got online and saw Mckayla looking so sad on Nanny cam . She called to talked to Mckayla and she perked up a bit hearing Jackie 's voice . Jackie then decided to drive back and join us for dinnner . I fed Mckayla her favorite yogurt before we started eating ourselves , then gave her one of her spoons to play with .
Question: Why would McKayla perk up ?
Options: 
- None of the above choices .
 - She had nothing for dinner .
 - She had nothing to eat .
 - She had by herself all day .


She had by herself all day .