Question

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

Breakfest 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

a) originality
b) chapter
c) building
D) quatations