Which of the following synonyms best replaces crude as it is used in the following passage?
When prospectors found a promising spot, they staked a claim by placing posts at each corner, one with their name and date on it. The prospector then had three days to go to town and file a legal claim. Because the claims were usually measured by crude means, disagreements over exact boundaries were common.
Answer choices for the above question
A. petroleum
B. unrefined
C. offensive
D. natural