Given:

When the doSomething method is called, after which line does the Object created in line 5 become available for garbage collection?（）

A.1
B.2
C.12
D.Compilation fails.
E.No output is produced.
F.An exception is thrown at runtime.

A.System.load("prop.custom");
B.System.getenv("prop.custom");
C.System.property("prop.custom");
D.System.getProperty("prop.custom");
E.System.getProperties().getProperty("prop.custom");