What is the output if the solveMystery() method is applied to a Properties object loaded from mystery.properties? 

A. bag ? trick

B. bag ? null

C. bag null null

D. bag null trick

E. The code does not compile.

F. An exception is thrown at runtime.

mystery.properties mystery-bag type=paper void solveMystery (Properties props) { var a props.get ("mystery"); var b = props.get("more", = null); var c= props.get ("more", "trick"); System.out.print(a+ " "+ b + " " + c); }