The cottontail rabbit population in Orange County, California, has increased unchecked in recent years as a result of the removal of the native fox population and the clearing of surrounding woodlands.
The cottontail rabbit population in Orange County, California, has increased unchecked in recent years as a result of the removal of the native fox population and the clearing of surrounding woodlands.
(A) years as a result of the removal of (B) years as a result of removing (C) years, resulting from the removing of (D) years, which is a result of removing (E) years, which is a result of the removal of
I would not choose C based on the following considerations:
1. "the removal of" is apparently better than "the removing of"
2. even though we keep "the removing of" here, there is no need to place a "," between the years and resulting. (if it is "which results from", than the "," could remain there)