Read the following context and choose the best option to answer the question.
Context: Well , after all this time , I finally got to see my son . Its been so long . He did nt even look like the same boy . In fact , when I saw him , I walked over to him and looked at him .
Question: Why is the narrator startled by the sight of their son ?
Options: 
- He is mean .
 - He is disfigured .
 - He is nasty .
 - He has changed .


He has changed .