C. Difficult, The teacher had to simplify it, or make it easier to understand because it was Difficult.
The effect is what the workers do and when they do it
The word that could be substituted for "inscribed" would best be "carved". Carving is just like inscribing. :-)
Answer:
D. The paragraph uses the analogy of a family is to choosing dinner as a community is to balancing rights and safety
