Ralph,who Lives on a 300-Acre Ranch,decides to Cut Down a Grove

Ralph,who lives on a 300-acre ranch,decides to cut down a grove of trees and remove the stumps so that the land can be used for cattle grazing.Ralph saws down the trees and then uses dynamite to assist in removing the tree stumps.He blows up about a dozen stumps.Ralph has committed:

A) arson because he caused an explosion without the appropriate permits.
B) criminal mischief because he destroyed property - the stumps.
C) reckless damage or destruction because use of dynamite is inherently reckless.
D) none of the above.