public class Book

{

private String author;

private String title;

public Book(String the_author, String the_title)

{

author = the_author;

title = the_title;

}

}

public class Textbook extends Book

{

private String subject;

public Textbook(String the_author, String the_title, String the_subject)

{

/* missing implementation */

}

}

Which of the following can be used to replace /* missing implementation */ so that the Textbook constructor compiles without error?

• A) author = the_author;

  title = the_title;

  subject = the_subject;

• B) super(the_author, the_title);

• super(the_subject);

• C) subject = the_subject;

  super(the_author, the_title);

• D) super(the_author, the_title);

  subject = the_subject;

• E) super(the_author, the_title, the_subject);