I believe it is C) Direct object. That is the direct thing. The main subject. it is not a verb, because "Dinner" is not doing anything. Fred is doing something, but he is not the main object. Dinner is the direct object.
~Silver
I'm srry if they are wrong, but I think it's everything EXEPT, Air os enclosed in the body of the instrument!
Geometric proportions: The underlying structure of design process for Islamic geometric patterns.