The main purpose of the passage is to А
argue that scientific studies need to be more
efficient.
B
describe the results of a scientific study.
.
C
explain the history of scientific inquiry.
D
highlight the fraudulent nature of many research
studies.
E
I would be guessing.

Based on the narrator's comments about living with the widow douglas, the reader can infer that a) the narrator doesn't care much for civilization and its strict rules. b) the narrator admires and wants to become more civilized and refined. c) the narrator is extremely religious and of high moral standing. d) the narrator desires to become a productive member of society.