I have a rly good feeling that the answer is D. hope this helps!
The quilts are what become the focal point for the family's view of the heritage.
I think the proverb means that. You need to take classes in architect ( or some education ) to learn how to build houses and by understanding if it's firm on a base. By knowledge the rooms are filled with all precious and pleasent riches. Like a designer, you need to know about design. The proverb is basically about how you need knowledge to do both of these things.
I would say it's a simile because they are comparing with using the word "like". They are comparing there howling to the wolves.