The author cites the factors of topography, weather, and fuel in the last ... ...

The author cites the factors of topography, weather, and fuel in the last paragraph primarily as part of
(A) the support provided for the contention that land managers must focus on fuel to reduce the risk of crown fires
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in PT72 (Jun 2014): Reading Comprehension