Q. What kind of work is being performed in the following given part of JavaScript's code?

<script>  
  
o = {x:1, y:{z:[false,null,""]}};   
s = JSON.stringify(o);   
p = JSON.parse(s);  
</script>  

• (A) Object Encapsulation
• (B) Object Encoding
• (C) Object Abstraction
• (D) Object Serialization