In the following code, which line in ClassA has an error?

```
Line 1 public interface MyInterface
Line 2 {
Line 3 int FIELDA = 55;
Line 4 public int methodA(double);
Line 5 }
Line 6 public class ClassA implements MyInterface
Line 7 {
Line 8 FIELDA = 60;
Line 9 public int methodA(double) { }
Line 10 }

```

a. Line 6 b. Line 7 c. Line 8 d. Line 9

c. Line 8