Explanation

The description matches the 'Rotation system' or specifically a 'Clear felling rotation', not just the 'Clear felling system'. However, in many forestry contexts, this specific definition is often associated with the 'Rotation system' where successive areas are clear-felled. Since 'Rotation system' is not an option, and 'Clear felling system' refers to the method of harvesting rather than the area management cycle described, 'None of these' is technically more accurate if strict definitions apply. But wait, let's re-evaluate standard forestry MCQs. Often, this specific phrasing defines a 'Rotation'. If 'Rotation' isn't an option, D is likely correct. However, sometimes 'Clear felling system' is used loosely. Let's check standard definitions. A 'rotation' is the period of time required to bring a forest to maturity. The process described is the operation within a rotation. Actually, the definition 'Successive areas are clear-felled... and regenerated...' describes the 'Rotation system' in broadleaf or specific contexts. Without 'Rotation' as an option, D is the safest bet for accuracy, but A is a strong distractor. Given the strictness of MCQs, if the exact term 'Rotation' is missing, D is correct.