Which fragment, inserted in the Books interface, enables the code to compile?

Given:

interface Books {

//insert code here

}

Which fragment, inserted in the Books interface, enables the code to compile?

A.
public abstract String type;
public abstract String getType();

B.
public staticString type;
public abstract String getType();

C.
public String type = “Fiction”;
public static String getType();

D.
public String type = “Fiction”;
public abstract String getType();