Why does Fred, despite Scrooge's rudeness to him, invite his uncle to Christmas dinner? A. Fred is vindictive and he knows the invitation will make his uncle angry. B. Fred is relentlessly good-natured and wants to see the good in his uncle. C. Fred is rather oblivious and does not realize that Scrooge is an unhappy person. D. Fred's mother insists that Fred invite Scrooge to dinner no matter what.