Given the code fragment: public static void main (String[] args) throws IOException{ BufferedReader brCopy = null; try (BufferedReader br = new BufferedReader (new FileReader("employee.txt"))) { // line n1 br.lines().forEach(c -> System.out.println(c)); brCopy = br;//line n2 } brCopy.ready();//line n3; } Assume that the ready method of the BufferedReader, when called on a closed BufferedReader, throws an exception, and employee.txt is accessible and contains valid text. What is the result? 

Answer options:

A. A compilation error occurs at line n3.
B. A compilation error occurs at line n1.
C. A compilation error occurs at line n2.
D. The code prints the content of the employee.txt file and throws an exception at line n3.

D