Given：

Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbage collection？（）

A.Exception
B.A NullPointerException is thrown at runtime.
C.Compilation fails because of an error in line 20.
D.Compilation fails because of an error in line 14.

A.null
B.zero
C.some
D.Compilation fails.
E.An exception is thrown at runtime.

A.2
B.24
C.234
D.246
E.2346