Which implicit element of the analogy in these lines is analogous to "family worship"?

Breakfast over, Aunt Polly had family worship: it began with a prayer built from the ground up of solid courses of Scriptural quotations, welded together with a thin mortar of originality; and from the summit of this she delivered a grim chapter of the Mosaic Law, as from Sinai.
(from Tom Sawyer by Mark Twain)

originality

chapter

building

quotations

Question

Which implicit element of the analogy in these lines is analogous to "family worship"? 


 Breakfast over, Aunt Polly had family worship: it began with a prayer built from the ground up of solid courses of Scriptural quotations, welded together with a thin mortar of originality; and from the summit of this she delivered a grim chapter of the Mosaic Law, as from Sinai. 
(from Tom Sawyer by Mark Twain) 



originality



chapter



building 



quotations

anonymous · Answer

This is a tough one but I'd go with originality. I'm not quite sure though.

anonymous · Answer

yeah sounds more reasonable, I agree with you @Sofitina

anonymous · Answer

c: