The author of passage B would be most likely to agree with which one of ... ...

The author of passage B would be most likely to agree with which one of the following statements about the term “natural” as it is used in passage A (line 17)?
(A) It correctly characterizes a difference between pristine and disturbed environments.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Oct 2012 LSAT (PT 67): Reading Comprehension