23. In the following code-snippet, assuming the language below implements dynamic scoping rules where does sub2() search for the value of x? function big() function subl) var x = 7; sub2(); function sub2) f var y = x; var x = 3; sub1 (); A. It searches in sub2() then in sub10 and finds var x= 7 B. It searches in sub2() then in big() and finds var x- 3 C. It searches in big() then in sub10 and finds var x = 7 D. It only searches in sub20)