in java For the following code, which statement is not true?

public class Circle

$\{$

private double radius;

public double x;

private double y;

$\}$

Question $13$ options:

a$)$

The y field is available to code written outside the Circle class.

b$)$

The radius field is not available to code written outside the Circle class.

c$)$

The radius, x$,$ and y fields are members of the Circle class.

d$)$

The x field is available to code that is written outside the Circle class.