Answer:
D. She knows that the lye she uses to make soap can also confirm whether the rock is gold.
Explanation:
In the text she says that if the rock is gold, it would not be harmed by the lye. This affects the plot because now they know that there will be a truthful possibility whether they found gold or not.
The correct answer should be philosophical ideas
Most of the texts were about the church and belief in god. Many philosophers of the mid ages even spoke how they could logically prove the existence of god, and many of them were supported by the church.
Hope this helps, the answer is conflict
Great job ty carrizalws with the win of the century